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FR1316914A - Process for recovering organic diacids - Google Patents

Process for recovering organic diacids

Info

Publication number
FR1316914A
FR1316914A FR890090A FR890090A FR1316914A FR 1316914 A FR1316914 A FR 1316914A FR 890090 A FR890090 A FR 890090A FR 890090 A FR890090 A FR 890090A FR 1316914 A FR1316914 A FR 1316914A
Authority
FR
France
Prior art keywords
recovering organic
organic diacids
diacids
recovering
organic
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.)
Expired
Application number
FR890090A
Other languages
French (fr)
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.)
Solutia Inc
Original Assignee
Chemstrand 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.)
Filing date
Publication date
Priority claimed from US93633A external-priority patent/US3180878A/en
Priority claimed from US95273A external-priority patent/US3359283A/en
Application filed by Chemstrand Corp filed Critical Chemstrand Corp
Priority to FR890090A priority Critical patent/FR1316914A/en
Application granted granted Critical
Publication of FR1316914A publication Critical patent/FR1316914A/en
Expired legal-status Critical Current

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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
FR890090A 1961-03-06 1962-03-06 Process for recovering organic diacids Expired FR1316914A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR890090A FR1316914A (en) 1961-03-06 1962-03-06 Process for recovering organic diacids

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US93633A US3180878A (en) 1961-03-06 1961-03-06 Separation of adipic acid, glutaric acid and succinic acid from mother liquors obtained in the manufacture of adipic acid
US95273A US3359283A (en) 1961-03-13 1961-03-13 Recovery of dicarboxylic acid anhydrides from aqueous acid solution
FR890090A FR1316914A (en) 1961-03-06 1962-03-06 Process for recovering organic diacids

Publications (1)

Publication Number Publication Date
FR1316914A true FR1316914A (en) 1963-02-01

Family

ID=27246454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890090A Expired FR1316914A (en) 1961-03-06 1962-03-06 Process for recovering organic diacids

Country Status (1)

Country Link
FR (1) FR1316914A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2721019A1 (en) * 1994-06-14 1995-12-15 Rhone Poulenc Chimie Removal of branched alkane:dioic acids
US5929274A (en) 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US6013835A (en) 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US6054610A (en) 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2721019A1 (en) * 1994-06-14 1995-12-15 Rhone Poulenc Chimie Removal of branched alkane:dioic acids
EP0687663A1 (en) * 1994-06-14 1995-12-20 RHONE-POULENC FIBER & RESIN INTERMEDIATES Process for separating aliphatic dicarboxylic acids from their mixtures with adipic acid
US5587056A (en) * 1994-06-14 1996-12-24 Rhone-Poulenc Chimie Separation of aliphatic diacids from adipic acid admixtures thereof
US5929274A (en) 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US6013835A (en) 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US6054610A (en) 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
US6113866A (en) 1995-06-07 2000-09-05 Hfm International, Inc. Apparatus for preparing purified terephthalic acid

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