BE752257A - Procede continu de purification de l'acide sorbique brut obtenupar hydrolyse ou scission thermique de polyesters - Google Patents

Procede continu de purification de l'acide sorbique brut obtenupar hydrolyse ou scission thermique de polyesters

Info

Publication number
BE752257A
BE752257A BE752257DA BE752257A BE 752257 A BE752257 A BE 752257A BE 752257D A BE752257D A BE 752257DA BE 752257 A BE752257 A BE 752257A
Authority
BE
Belgium
Prior art keywords
polyesters
hydrolysis
purification
continuous process
sorbic acid
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Wacker Chemie Gmbh
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 DE19691931461 external-priority patent/DE1931461C3/de
Application filed by Wacker Chemie Gmbh filed Critical Wacker Chemie Gmbh
Publication of BE752257A publication Critical patent/BE752257A/xx

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE752257D 1969-06-20 1970-06-19 Procede continu de purification de l'acide sorbique brut obtenupar hydrolyse ou scission thermique de polyesters BE752257A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691931461 DE1931461C3 (de) 1969-06-20 Verfahren zur kontinuierlichen Gewinnung reiner Sorbinsäure

Publications (1)

Publication Number Publication Date
BE752257A true BE752257A (fr) 1970-12-21

Family

ID=5737602

Family Applications (1)

Application Number Title Priority Date Filing Date
BE752257D BE752257A (fr) 1969-06-20 1970-06-19 Procede continu de purification de l'acide sorbique brut obtenupar hydrolyse ou scission thermique de polyesters

Country Status (7)

Country Link
US (1) US3696147A (xx)
BE (1) BE752257A (xx)
CH (1) CH535196A (xx)
FR (1) FR2046955B1 (xx)
GB (1) GB1299543A (xx)
IT (1) IT954092B (xx)
NL (1) NL7008878A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4740617A (en) * 1981-12-21 1988-04-26 Monsanto Company Sorbic acid process with crystallization
JP3001097B1 (ja) * 1998-10-05 2000-01-17 ダイセル化学工業株式会社 ソルビン酸の製造法
DE10200200C1 (de) * 2002-01-04 2003-11-06 Nutrinova Gmbh Verfahren zur Herstellung von Sorbinsäure
CN103601615B (zh) * 2013-11-19 2016-02-17 南通醋酸化工股份有限公司 一种2，4-己二烯酸的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510514A (en) * 1967-06-19 1970-05-05 Scm Corp Process for the manufacture of sorbic acid

Also Published As

Publication number Publication date
DE1931461A1 (de) 1970-12-23
IT954092B (it) 1973-08-30
FR2046955A1 (xx) 1971-03-12
DE1931461B2 (de) 1977-06-02
GB1299543A (en) 1972-12-13
NL7008878A (xx) 1970-12-22
CH535196A (de) 1973-03-31
US3696147A (en) 1972-10-03
FR2046955B1 (xx) 1973-01-12

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