BE834885A - PROCESS FOR SEPARATING, FROM AQUEOUS SOLUTIONS, PERFLUORALCANE-CARBOXYLIC ACIDS WITH CARBON CHAIN WITH 1 TO 12 CARBON ATOMS - Google Patents

PROCESS FOR SEPARATING, FROM AQUEOUS SOLUTIONS, PERFLUORALCANE-CARBOXYLIC ACIDS WITH CARBON CHAIN WITH 1 TO 12 CARBON ATOMS

Info

Publication number
BE834885A
BE834885A BE161262A BE161262A BE834885A BE 834885 A BE834885 A BE 834885A BE 161262 A BE161262 A BE 161262A BE 161262 A BE161262 A BE 161262A BE 834885 A BE834885 A BE 834885A
Authority
BE
Belgium
Prior art keywords
perfluoralcane
separating
carboxylic acids
aqueous solutions
carbon atoms
Prior art date
Application number
BE161262A
Other languages
French (fr)
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
Priority to DE19752546320 priority Critical patent/DE2546320A1/en
Application filed filed Critical
Priority to BE161262A priority patent/BE834885A/en
Publication of BE834885A publication Critical patent/BE834885A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE161262A 1975-10-16 1975-10-27 PROCESS FOR SEPARATING, FROM AQUEOUS SOLUTIONS, PERFLUORALCANE-CARBOXYLIC ACIDS WITH CARBON CHAIN WITH 1 TO 12 CARBON ATOMS BE834885A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19752546320 DE2546320A1 (en) 1975-10-16 1975-10-16 Perfluoro alkane carboxylic acid purifcn. - by extn. of potassium salt from aq. soln. using water miscible organic solvent
BE161262A BE834885A (en) 1975-10-16 1975-10-27 PROCESS FOR SEPARATING, FROM AQUEOUS SOLUTIONS, PERFLUORALCANE-CARBOXYLIC ACIDS WITH CARBON CHAIN WITH 1 TO 12 CARBON ATOMS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752546320 DE2546320A1 (en) 1975-10-16 1975-10-16 Perfluoro alkane carboxylic acid purifcn. - by extn. of potassium salt from aq. soln. using water miscible organic solvent
BE161262A BE834885A (en) 1975-10-16 1975-10-27 PROCESS FOR SEPARATING, FROM AQUEOUS SOLUTIONS, PERFLUORALCANE-CARBOXYLIC ACIDS WITH CARBON CHAIN WITH 1 TO 12 CARBON ATOMS

Publications (1)

Publication Number Publication Date
BE834885A true BE834885A (en) 1976-04-27

Family

ID=25648913

Family Applications (1)

Application Number Title Priority Date Filing Date
BE161262A BE834885A (en) 1975-10-16 1975-10-27 PROCESS FOR SEPARATING, FROM AQUEOUS SOLUTIONS, PERFLUORALCANE-CARBOXYLIC ACIDS WITH CARBON CHAIN WITH 1 TO 12 CARBON ATOMS

Country Status (2)

Country Link
BE (1) BE834885A (en)
DE (1) DE2546320A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7795332B2 (en) 2005-07-15 2010-09-14 3M Innovative Properties Company Method of removing fluorinated carboxylic acid from aqueous liquid
US8404790B2 (en) 2005-07-15 2013-03-26 3M Innovative Properties Company Aqueous emulsion polymerization process for producing fluoropolymers
US8466231B2 (en) 2007-04-27 2013-06-18 3M Innovative Properties Company Process for removing fluorinated emulsifier from fluoropolymer dispersions using an anion-exchange resin and a pH-dependent surfactant and fluoropolymer dispersions containing a pH-dependent surfactant

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19527276C1 (en) * 1995-03-09 1996-08-08 Hoechst Ag Recovery of highly fluorinated carboxylic acids from the gas phase
EP0731081B1 (en) * 1995-03-09 1998-04-15 Dyneon GmbH Recovery of highly fluorinated carboxylic acids from gaseous phase
DE19747791A1 (en) * 1997-10-29 1999-05-06 Basf Ag Extraction of carboxylic acid from aqueous solution

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7795332B2 (en) 2005-07-15 2010-09-14 3M Innovative Properties Company Method of removing fluorinated carboxylic acid from aqueous liquid
US8404790B2 (en) 2005-07-15 2013-03-26 3M Innovative Properties Company Aqueous emulsion polymerization process for producing fluoropolymers
US8466231B2 (en) 2007-04-27 2013-06-18 3M Innovative Properties Company Process for removing fluorinated emulsifier from fluoropolymer dispersions using an anion-exchange resin and a pH-dependent surfactant and fluoropolymer dispersions containing a pH-dependent surfactant

Also Published As

Publication number Publication date
DE2546320A1 (en) 1977-04-21

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