CN110698662A - Preparation method of activating agent - Google Patents

Preparation method of activating agent Download PDF

Info

Publication number
CN110698662A
CN110698662A CN201910859169.5A CN201910859169A CN110698662A CN 110698662 A CN110698662 A CN 110698662A CN 201910859169 A CN201910859169 A CN 201910859169A CN 110698662 A CN110698662 A CN 110698662A
Authority
CN
China
Prior art keywords
parts
agent
finished product
stirring
cardanol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910859169.5A
Other languages
Chinese (zh)
Inventor
段文华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ma'anshan Baoxin Electronic Technology Co Ltd
Original Assignee
Ma'anshan Baoxin Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ma'anshan Baoxin Electronic Technology Co Ltd filed Critical Ma'anshan Baoxin Electronic Technology Co Ltd
Priority to CN201910859169.5A priority Critical patent/CN110698662A/en
Publication of CN110698662A publication Critical patent/CN110698662A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2603Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
    • C08G65/2606Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
    • C08G65/2609Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

The invention relates to the technical field of surfactants, and discloses a preparation method of an activator, which comprises the following steps: 1) dehydrating 5-10 parts of cardanol, 30-80 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.1-0.3 part of potassium hydroxide and 15-30 parts of castor oil, adding the raw materials under mechanical stirring at a high speed at the temperature of 140-270 ℃ and the pressure of 0.1-0.15 MPa, fully stirring for 5-15 min, and reacting at the temperature of 70-75 ℃ for 1 hour to obtain a reaction sample; 2) and then adding 30-80 parts of ethylene oxide into the reaction sample obtained in the step 1), then washing, neutralizing, drying and filtering to obtain a primary finished product, adding 0.1-1 part of dispersing agent, 0.1-1 part of emulsifying agent and 0.1-1 part of anti-settling agent, and stirring and mixing uniformly. The preparation method of the activator realizes the purposes of good dispersibility, good fluidity and good stability, further expands the application range of the activator and meets higher use requirements.

Description

Preparation method of activating agent
Technical Field
The invention relates to the technical field of surfactants, in particular to a preparation method of an activator.
Background
Surfactant (surfactant) is a substance which is added in a small amount and can obviously change the interface state of a solution system, has fixed hydrophilic and lipophilic groups, can be directionally arranged on the surface of the solution, and has an amphiphilic molecular structure: one end is a hydrophilic group, and the other end is a hydrophobic group; the hydrophilic group is often a polar group, such as carboxylic acid, sulfonic acid, sulfuric acid, amino group or amino group and salts thereof, hydroxyl group, amide group, ether bond and the like may also be used as the polar hydrophilic group; the hydrophobic group is usually a nonpolar hydrocarbon chain, such as a hydrocarbon chain with more than 8 carbon atoms, and the surfactant is classified into an ionic surfactant (including a cationic surfactant and an anionic surfactant), a nonionic surfactant, an amphoteric surfactant, a compound surfactant, other surfactants and the like.
The existing surfactant preparation method is simple, various in structure type and good in surface performance, but the existing surfactant preparation method is not good enough in dispersibility, flowability and stability in the actual using process, and a large promotion space is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of an activator, which has the advantages of good dispersibility, good fluidity and good stability, and solves the problems that the existing preparation method of the surfactant has poor dispersibility, fluidity and stability, and has a great promotion space, and the application range of the activator cannot be further expanded due to the factors of poor oil repellency and interface bonding force of particles, so that the higher requirement is difficult to meet.
(II) technical scheme
In order to realize the purposes of good dispersibility, good fluidity and good stability, the invention provides the following technical scheme: a method for preparing an activator, comprising the steps of:
1) dehydrating 5-10 parts of cardanol, 30-80 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.1-0.3 part of potassium hydroxide and 15-30 parts of castor oil, adding the raw materials under mechanical stirring at a high speed at the temperature of 140-270 ℃ and the pressure of 0.1-0.15 MPa, fully stirring for 5-15 min, and reacting at the temperature of 70-75 ℃ for 1 hour to obtain a reaction sample;
2) then adding 30-80 parts of ethylene oxide into the reaction sample obtained in the step 1), then washing, neutralizing, drying and filtering to obtain a primary finished product, adding 0.1-1 part of dispersing agent, 0.1-1 part of emulsifying agent and 0.1-1 part of anti-settling agent, stirring and mixing uniformly for 40 minutes to obtain a mixed reagent, and keeping for later use;
3) and (3) putting the mixture into a dispersion machine, uniformly mixing and dispersing the mixture by using the dispersion machine to finally form an active agent finished product with good dispersibility, good fluidity and good stability, cooling the active agent finished product, then putting the active agent finished product into a storage tank, and sealing and packaging the storage tank by using a capping machine.
Preferably, the activator finished product can be divided into HY 001, HY 002 and HY 003 according to different proportions.
Preferably, the disperser may be replaced with one of a ball mill, a sand mill and a homogenizer.
Preferably, HY 001 comprises the following raw materials in parts by weight: 10 parts of cardanol, 30 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 15 parts of castor oil, 0.3 part of potassium hydroxide, 80 parts of ethylene oxide, 0.1 part of a dispersing agent, 0.1 part of an emulsifying agent and 0.1 part of an anti-settling agent.
Preferably, HY 002 comprises the following raw materials in parts by weight: 7.5 parts of cardanol, 55 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 22.5 parts of castor oil, 0.2 part of potassium hydroxide, 55 parts of ethylene oxide, 0.55 part of a dispersing agent, 0.55 part of an emulsifying agent and 0.55 part of an anti-settling agent.
Preferably, HY 003 comprises the following raw materials in parts by weight: 10 parts of cardanol, 80 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 30 parts of castor oil, 0.3 part of potassium hydroxide, 80 parts of ethylene oxide, 1 part of a dispersing agent, 1 part of an emulsifying agent and 1 part of an anti-settling agent.
(III) advantageous effects
Compared with the prior art, the invention provides a preparation method of the activating agent, which has the following beneficial effects:
the preparation method of the activator comprises the steps of dehydrating 5-10 parts of cardanol, 30-80 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.1-0.3 part of potassium hydroxide and 15-30 parts of castor oil, feeding the raw materials at the temperature of 140-270 ℃ and the pressure of 0.1-0.15 MPa under the condition of mechanical stirring and high-speed stirring, fully stirring for 5-15 min, and reacting at the temperature of 70-75 ℃ for 1 hour to obtain a reaction sample; then adding 30-80 parts of ethylene oxide into a reaction sample, then washing, neutralizing, drying and filtering to obtain a primary finished product, adding 0.1-1 part of dispersing agent, 0.1-1 part of emulsifying agent and 0.1-1 part of anti-settling agent, stirring and mixing uniformly for 40 minutes to obtain a mixed reagent, and keeping for later use; the active agent is placed into a dispersion machine, and is uniformly mixed and dispersed by the dispersion machine, and finally, an active agent finished product with good dispersibility, good fluidity and good stability is formed, so that the aims of good dispersibility, good fluidity and good stability are fulfilled, the application range of the active agent is further expanded, and higher use requirements are met.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a method for preparing an activator, comprising the steps of:
1) dehydrating 5 parts of cardanol, 30 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.1 part of potassium hydroxide and 15 parts of castor oil, adding the raw materials under mechanical stirring and high speed stirring at the temperature of 140 ℃ and the pressure of 0.1MPa, fully stirring for 5min, and reacting at the temperature of 70 ℃ for 1 hour to obtain a reaction sample;
2) then adding 30 parts of ethylene oxide into the reaction sample obtained in the step 1), then washing, neutralizing, drying and filtering to obtain a primary finished product, adding 0.1 part of dispersing agent, 0.1 part of emulsifying agent and 0.1 part of anti-settling agent, stirring and mixing uniformly for 40 minutes to obtain a mixed reagent, and keeping for later use;
3) and (3) putting the mixture into a dispersion machine, uniformly mixing and dispersing the mixture by using the dispersion machine to finally form an active agent finished product with good dispersibility, good fluidity and good stability, cooling the active agent finished product, then putting the active agent finished product into a storage tank, and sealing and packaging the storage tank by using a capping machine.
Preferably, the formulation shown in the first embodiment is HY 001.
Preferably, the disperser may be replaced with one of a ball mill, a sand mill and a homogenizer.
Dehydrating 5 parts of cardanol, 30 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.1 part of potassium hydroxide and 15 parts of castor oil, adding the raw materials under mechanical stirring and high-speed stirring at the temperature of 140 ℃ and the pressure of 0.1MPa, fully stirring for 5min, and reacting at the temperature of 70 ℃ for 1 hour to obtain a reaction sample; then adding 30 parts of ethylene oxide into a reaction sample, then washing, neutralizing, drying and filtering to obtain a primary finished product, adding 0.1 part of dispersing agent, 0.1 part of emulsifying agent and 0.1 part of anti-settling agent, stirring and mixing uniformly for 40 minutes to obtain a mixed reagent, and keeping for later use; the active agent is placed into a dispersion machine, and is uniformly mixed and dispersed by the dispersion machine, and finally, an active agent finished product with good dispersibility, good fluidity and good stability is formed, so that the aims of good dispersibility, good fluidity and good stability are fulfilled, the application range of the active agent is further expanded, and higher use requirements are met.
Example two:
a method for preparing an activator, comprising the steps of:
1) dehydrating 7.5 parts of cardanol, 55 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.2 part of potassium hydroxide and 22.5 parts of castor oil, adding the raw materials under mechanical stirring and high speed stirring at the temperature of 205 ℃ and the pressure of 0.125MPa, fully stirring for 10min, and reacting at the temperature of 72.5 ℃ for 1 hour to obtain a reaction sample;
2) adding 55 parts of ethylene oxide into the reaction sample obtained in the step 1), washing, neutralizing, drying and filtering to obtain a primary finished product, adding 0.55 part of dispersing agent, 0.55 part of emulsifying agent and 0.55 part of anti-settling agent, stirring and mixing uniformly for 40 minutes to obtain a mixed reagent, and keeping for later use;
3) and (3) putting the mixture into a dispersion machine, uniformly mixing and dispersing the mixture by using the dispersion machine to finally form an active agent finished product with good dispersibility, good fluidity and good stability, cooling the active agent finished product, then putting the active agent finished product into a storage tank, and sealing and packaging the storage tank by using a capping machine.
Preferably, the formulation shown in the second embodiment is HY 002.
Preferably, the disperser may be replaced with one of a ball mill, a sand mill and a homogenizer.
Dehydrating 7.5 parts of cardanol, 55 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.2 part of potassium hydroxide and 22.5 parts of castor oil, adding the raw materials under mechanical stirring and high speed stirring at the temperature of 205 ℃ and the pressure of 0.125MPa, fully stirring for 10min, and reacting at the temperature of 72.5 ℃ for 1 hour to obtain a reaction sample; adding 55 parts of ethylene oxide into a reaction sample, washing, neutralizing, drying and filtering to obtain a primary finished product, adding 0.55 part of dispersing agent, 0.55 part of emulsifying agent and 0.55 part of anti-settling agent, stirring and mixing uniformly for 40 minutes to obtain a mixed reagent, and keeping for later use; the active agent is placed into a dispersion machine, and is uniformly mixed and dispersed by the dispersion machine, and finally, an active agent finished product with good dispersibility, good fluidity and good stability is formed, so that the aims of good dispersibility, good fluidity and good stability are fulfilled, the application range of the active agent is further expanded, and higher use requirements are met.
Example three:
a method for preparing an activator, comprising the steps of:
1) dehydrating 10 parts of cardanol, 80 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.3 part of potassium hydroxide and 30 parts of castor oil, adding the raw materials under mechanical stirring and high speed stirring at the temperature of 270 ℃ and the pressure of 0.15MPa, fully stirring for 15min, and reacting at the temperature of 75 ℃ for 1 hour to obtain a reaction sample;
2) adding 80 parts of ethylene oxide into the reaction sample obtained in the step 1), washing, neutralizing, drying and filtering to obtain a primary finished product, adding 1 part of dispersing agent, 1 part of emulsifying agent and 1 part of anti-settling agent, stirring and mixing uniformly for 40 minutes to obtain a mixed reagent, and keeping for later use;
3) and (3) putting the mixture into a dispersion machine, uniformly mixing and dispersing the mixture by using the dispersion machine to finally form an active agent finished product with good dispersibility, good fluidity and good stability, cooling the active agent finished product, then putting the active agent finished product into a storage tank, and sealing and packaging the storage tank by using a capping machine.
Preferably, the formulation shown in the third embodiment is HY 003.
Preferably, the disperser may be replaced with one of a ball mill, a sand mill and a homogenizer.
The invention has the beneficial effects that: dehydrating 10 parts of cardanol, 80 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.3 part of potassium hydroxide and 30 parts of castor oil, adding the raw materials under mechanical stirring and high-speed stirring at the temperature of 270 ℃ and the pressure of 0.15MPa, fully stirring for 15min, and reacting at the temperature of 75 ℃ for 1 hour to obtain a reaction sample; then adding 80 parts of ethylene oxide into a reaction sample, then washing, neutralizing, drying and filtering to obtain a primary finished product, adding 1 part of dispersing agent, 1 part of emulsifying agent and 1 part of anti-settling agent, stirring and mixing uniformly for 40 minutes to obtain a mixed reagent, and keeping for later use; the active agent is placed into a dispersion machine, and is uniformly mixed and dispersed by the dispersion machine, and finally, an active agent finished product with good dispersibility, good fluidity and good stability is formed, so that the aims of good dispersibility, good fluidity and good stability are fulfilled, the application range of the active agent is further expanded, and higher use requirements are met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A method for preparing an activator, comprising the steps of:
1) dehydrating 5-10 parts of cardanol, 30-80 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 0.1-0.3 part of potassium hydroxide and 15-30 parts of castor oil, adding the raw materials under mechanical stirring at a high speed at the temperature of 140-270 ℃ and the pressure of 0.1-0.15 MPa, fully stirring for 5-15 min, and reacting at the temperature of 70-75 ℃ for 1 hour to obtain a reaction sample;
2) then adding 30-80 parts of ethylene oxide into the reaction sample obtained in the step 1), then washing, neutralizing, drying and filtering to obtain a primary finished product, adding 0.1-1 part of dispersing agent, 0.1-1 part of emulsifying agent and 0.1-1 part of anti-settling agent, stirring and mixing uniformly for 40 minutes to obtain a mixed reagent, and keeping for later use;
3) and (3) putting the mixture into a dispersion machine, uniformly mixing and dispersing the mixture by using the dispersion machine to finally form an active agent finished product with good dispersibility, good fluidity and good stability, cooling the active agent finished product, then putting the active agent finished product into a storage tank, and sealing and packaging the storage tank by using a capping machine.
2. The method as claimed in claim 1, wherein the final product is classified into HY 001, HY 002 and HY 003 according to different ratios.
3. The method of claim 1, wherein the dispersing machine is replaced by one of a ball mill, a sand mill and a homogenizer.
4. The preparation method of the activating agent as claimed in claim 2, wherein HY 001 comprises the following raw materials in parts by weight: 10 parts of cardanol, 30 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 15 parts of castor oil, 0.3 part of potassium hydroxide, 80 parts of ethylene oxide, 0.1 part of a dispersing agent, 0.1 part of an emulsifying agent and 0.1 part of an anti-settling agent.
5. The preparation method of the activating agent as claimed in claim 2, wherein HY 002 comprises the following raw materials in parts by weight: 7.5 parts of cardanol, 55 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 22.5 parts of castor oil, 0.2 part of potassium hydroxide, 55 parts of ethylene oxide, 0.55 part of a dispersing agent, 0.55 part of an emulsifying agent and 0.55 part of an anti-settling agent.
6. The preparation method of the activating agent as claimed in claim 2, wherein HY 003 comprises the following raw materials in parts by weight: 10 parts of cardanol, 80 parts of 2, 4, 7, 9-tetramethyl-4, 7-diol-5-decyne, 30 parts of castor oil, 0.3 part of potassium hydroxide, 80 parts of ethylene oxide, 1 part of a dispersing agent, 1 part of an emulsifying agent and 1 part of an anti-settling agent.
CN201910859169.5A 2019-09-11 2019-09-11 Preparation method of activating agent Pending CN110698662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910859169.5A CN110698662A (en) 2019-09-11 2019-09-11 Preparation method of activating agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910859169.5A CN110698662A (en) 2019-09-11 2019-09-11 Preparation method of activating agent

Publications (1)

Publication Number Publication Date
CN110698662A true CN110698662A (en) 2020-01-17

Family

ID=69194673

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910859169.5A Pending CN110698662A (en) 2019-09-11 2019-09-11 Preparation method of activating agent

Country Status (1)

Country Link
CN (1) CN110698662A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103554476A (en) * 2013-10-31 2014-02-05 淄博德信联邦化学工业有限公司 Method for preparing surfactant
CN105013391A (en) * 2015-08-05 2015-11-04 吴俊宏 Preparation method of surface active agent
US20160257848A1 (en) * 2013-11-27 2016-09-08 Dow Global Technologies Llc Cardanol Modified Epoxy Polyol
US20160264714A1 (en) * 2013-11-27 2016-09-15 Dow Global Technologies Llc Cardanol modified epoxy polyol

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103554476A (en) * 2013-10-31 2014-02-05 淄博德信联邦化学工业有限公司 Method for preparing surfactant
US20160257848A1 (en) * 2013-11-27 2016-09-08 Dow Global Technologies Llc Cardanol Modified Epoxy Polyol
US20160264714A1 (en) * 2013-11-27 2016-09-15 Dow Global Technologies Llc Cardanol modified epoxy polyol
CN105013391A (en) * 2015-08-05 2015-11-04 吴俊宏 Preparation method of surface active agent

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
孙阿惠;丁雷涛;郝磊磊;刘军海;: "聚氧乙烯型表面活性剂的研究进展" *

Similar Documents

Publication Publication Date Title
CN108707460B (en) Soil curing agent and preparation method thereof
CN101481491B (en) Epoxy resin water dispersion and process for preparing the same
CN111849326B (en) Dual-curing water-based paint and preparation method and construction process thereof
CN102604469A (en) Latent self-repair microcapsule and preparation method thereof
CN105713181A (en) Self-emulsifying epoxy resin emulsion for water-based paint and preparation method of emulsion
CN101725042A (en) Alkali proof scouring penetrant and method for preparing same
CN110591805A (en) Water-based release agent capable of eliminating air bubbles on concrete surface and preparation method thereof
CN114213857A (en) Epoxy resin modified emulsified petroleum asphalt material capable of being stored for long time and preparation method thereof
CN107473618A (en) A kind of foam concrete compound foaming agent and preparation method thereof
CN108384351A (en) A kind of preparation method and product of the aqueous damping coating with heat insulating function
CN101838938B (en) Environment-friendly water-based black paste for wet synthetic leather and preparation method thereof
CN110698662A (en) Preparation method of activating agent
CN109576043B (en) Concrete product isolation release agent and preparation method thereof
JP5596385B2 (en) Hardener for masterbatch type epoxy resin
CN111701284B (en) Defoaming agent and preparation method and application thereof
CN101532267B (en) Stearic acid soap paper coating lubricant
CN110396865A (en) A kind of water-based zinc stearate lotion and preparation method thereof
CN104120004B (en) A kind of finely dispersed aqueous cutting fluid of steady quality and preparation method thereof
CN103866629A (en) Papermaking processing aid and preparation method thereof
CN102146236B (en) High-stability aqueous color paste and preparation method thereof
CN102942683A (en) Composite epoxy resin emulsifier and method for preparing same
CN106519988A (en) Environment-friendly rust-proof polishing solution for mechanical equipment
CN108838386B (en) Preparation method of hard alloy mixture by adopting modified wax forming agent
CN102899900B (en) Emulsion type sizing agent for carbon fiber as well as preparation method and application of emulsion type sizing agent
CN101831177A (en) Formula and production process of water dispersible poly(ether ketone ketone) emulsion

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200117

WD01 Invention patent application deemed withdrawn after publication