IN167941B - - Google Patents

Info

Publication number: IN167941B
Authority: IN; India

Application number

IN921/CAL/87A

Other languages

English (en)

Inventor

Perry D Comstock

Karen M Keys

Original Assignee

Pennwalt Corp

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.)

1986-12-08

Filing date

1987-11-24

Publication date

1991-01-12

1987-11-24 Application filed by Pennwalt Corp filed Critical Pennwalt Corp

1991-01-12 Publication of IN167941B publication Critical patent/IN167941B/en

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/16—Vacuum

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

IN921/CAL/87A 1986-12-08 1987-11-24 IN167941B (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/939,200 US4938846A (en)	1986-12-08	1986-12-08	Preparation of anhydrous alkanesulfonic acid

Publications (1)

Publication Number	Publication Date
IN167941B true IN167941B (de)	1991-01-12

Family

ID=25472730

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IN921/CAL/87A IN167941B (de)	1986-12-08	1987-11-24

Country Status (12)

Country	Link
US (1)	US4938846A (de)
EP (1)	EP0270953B1 (de)
JP (1)	JPH0796542B2 (de)
AR (1)	AR243866A1 (de)
AT (1)	ATE56204T1 (de)
CA (1)	CA1291161C (de)
DE (1)	DE3764781D1 (de)
DK (1)	DK641187A (de)
ES (1)	ES2017696B3 (de)
GR (1)	GR3000752T3 (de)
IN (1)	IN167941B (de)
MX (1)	MX165928B (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5583253A (en) *	1991-03-27	1996-12-10	Henderson; Phyllis A.	Method of preparing purified alkanesulfonic acid
US5449819A (en) *	1994-06-06	1995-09-12	Merck & Co., Inc.	Process for removing waste pox, alendronate and its by products
US5589691A (en) *	1994-06-06	1996-12-31	Merck & Co., Inc.	Process for recovery and recycle of methanesulfonic acid and phosphorous acid
FR2748024B1 (fr) *	1996-04-24	1998-06-05	Atochem Elf Sa	Procede de purification d'un chlorure d'alcanesulfonyle et de l'acide acanesulfonique correspondant
US5873981A (en) *	1996-12-26	1999-02-23	The Dow Chemical Company	Recovery of anhydrous acids
DK1969115T3 (da) *	2005-12-12	2014-08-25	Win Chemicals Ltd	Multifunktionelle, ikke korroderende rengøringssammensætninger samt fremgangsmåder til anvendelse
DE102007020697A1 (de) *	2007-05-03	2008-11-06	Clariant International Ltd.	Verfahren zur Isolierung konzentrierter Paraffinsulfonsäuren
US9967619B2 (en) *	2014-12-01	2018-05-08	Google Llc	System and method for associating search queries with remote content display
JP2018537443A (ja)	2015-11-10	2018-12-20	ビーエーエスエフソシエタス・ヨーロピアＢａｓｆＳｅ	アルカンスルホン酸を再処理する方法
US10577312B2 (en)	2015-11-10	2020-03-03	Basf Se	Process for purifying alkanesulfonic acids
TW201841881A (zh)	2017-04-18	2018-12-01	德商巴斯夫歐洲公司	純化烷烴磺酸酐的方法及使用純化的烷烴磺酸酐製造烷烴磺酸的方法
KR102632030B1 (ko) *	2017-05-30	2024-01-31	바스프 에스이	메탄 설폰산의 제조 방법
WO2021023582A1 (en) *	2019-08-07	2021-02-11	Basf Se	Recovery of water-free methanesulfonic acid from the bottom stream of a distillation column

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2523490A (en) *	1947-01-25	1950-09-26	Standard Oil Co	Recovery of lower alkanoic acids from sulfonation reaction products
US2518639A (en) *	1948-11-19	1950-08-15	Standard Oil Co	Purifying sulfonic acids
US2711388A (en) *	1949-08-25	1955-06-21	Exxon Research Engineering Co	Concentration of aqueous acids by flash distillation
US3509206A (en) *	1967-03-01	1970-04-28	Ppg Industries Inc	Alkanesulfonic acid preparation
DE2451157C3 (de) *	1974-10-28	1983-05-19	Aluminium Norf Gmbh, 4040 Neuss	Verfahren zum Reinigen von beim Betriebe von Walzgerüsten in großen Mengen anfallender Abluft
US4035242A (en) *	1975-09-29	1977-07-12	Ppg Industries, Inc.	Distillative purification of alkane sulfonic acids
DE3203440A1 (de) *	1982-02-02	1983-08-11	Chemische Werke Hüls AG, 4370 Marl	Verfahren zur trennung von gemischen aus paraffin bzw. paraffinen mit 6 bis 14 c-atomen und alkohol bzw. alkoholen mit 4 bis 8 c-atomen
US4450047A (en) *	1983-01-28	1984-05-22	Penwalt Corporation	Process for recovering anhydrous alkanesulfonic acids by reduced pressure, falling film evaporation

1986
- 1986-12-08 US US06/939,200 patent/US4938846A/en not_active Expired - Lifetime
1987
- 1987-11-24 IN IN921/CAL/87A patent/IN167941B/en unknown
- 1987-11-27 ES ES87117575T patent/ES2017696B3/es not_active Expired - Lifetime
- 1987-11-27 EP EP87117575A patent/EP0270953B1/de not_active Expired - Lifetime
- 1987-11-27 DE DE8787117575T patent/DE3764781D1/de not_active Expired - Fee Related
- 1987-11-27 AT AT87117575T patent/ATE56204T1/de not_active IP Right Cessation
- 1987-11-30 CA CA000553117A patent/CA1291161C/en not_active Expired - Lifetime
- 1987-12-03 JP JP62304685A patent/JPH0796542B2/ja not_active Expired - Lifetime
- 1987-12-07 DK DK641187A patent/DK641187A/da not_active Application Discontinuation
- 1987-12-07 AR AR87309516A patent/AR243866A1/es active
- 1987-12-07 MX MX009652A patent/MX165928B/es unknown
1990
- 1990-09-06 GR GR90400297T patent/GR3000752T3/el unknown

Also Published As

Publication number	Publication date
AR243866A1 (es)	1993-09-30
ES2017696B3 (es)	1991-03-01
US4938846A (en)	1990-07-03
EP0270953A1 (de)	1988-06-15
CA1291161C (en)	1991-10-22
DK641187D0 (da)	1987-12-07
DE3764781D1 (de)	1990-10-11
GR3000752T3 (en)	1991-10-10
EP0270953B1 (de)	1990-09-05
JPS63198655A (ja)	1988-08-17
MX165928B (es)	1992-12-10
JPH0796542B2 (ja)	1995-10-18
ATE56204T1 (de)	1990-09-15
DK641187A (da)	1988-06-09

Publication	Publication Date	Title
GR3004094T3 (de)	1993-03-31
IN172213B (de)	1993-05-08
AU7131891A (de)	1991-05-23
GR3003867T3 (de)	1993-03-16
IN167941B (de)	1991-01-12
IN169791B (de)	1991-12-21
IN170739B (de)	1992-05-09
AU7354491A (de)	1991-06-20
AU6562586A (de)	1986-11-24
AU7131791A (de)	1992-02-20
IN166718B (de)	1990-07-14
AU5703286A (de)	1986-06-12
AU6019186A (de)	1986-12-09
AU5982886A (de)	1986-12-16
AU5940986A (de)	1986-10-14
AU5857886A (de)	1986-07-10
AU5878886A (de)	1986-08-07
BE905088A (de)	1986-11-03
AU5614486A (de)	1986-11-27
AU5783386A (de)	1986-11-06
IN163739B (de)	1988-11-05
AU6211586A (de)	1986-12-04
AU5745586A (de)	1986-11-20
AU5724586A (de)	1986-10-21
AU6014586A (de)	1986-11-13