BE787316A - Stabilisation de la couleur d'anhydrides d'acides dicarboxyliques - Google Patents

Stabilisation de la couleur d'anhydrides d'acides dicarboxyliques

Info

Publication number
BE787316A
BE787316A BE787316DA BE787316A BE 787316 A BE787316 A BE 787316A BE 787316D A BE787316D A BE 787316DA BE 787316 A BE787316 A BE 787316A
Authority
BE
Belgium
Prior art keywords
dicarboxylic acid
acid anhydrides
color stabilization
stabilization
color
Prior art date
Application number
Other languages
English (en)
Inventor
R E Stenseth
Original Assignee
Monsanto Co
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.)
Publication date
Publication of BE787316A publication Critical patent/BE787316A/fr

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
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
BE787316D 1971-08-09 Stabilisation de la couleur d'anhydrides d'acides dicarboxyliques BE787316A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17035271A 1971-08-09 1971-08-09

Publications (1)

Publication Number Publication Date
BE787316A true BE787316A (fr) 1973-02-08

Family

ID=22619543

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787316D BE787316A (fr) 1971-08-09 Stabilisation de la couleur d'anhydrides d'acides dicarboxyliques

Country Status (8)

Country Link
US (1) US3775436A (fr)
JP (1) JPS5117532B2 (fr)
BE (1) BE787316A (fr)
CA (1) CA971179A (fr)
DE (1) DE2239054C3 (fr)
FR (1) FR2148536B1 (fr)
GB (1) GB1361525A (fr)
IT (1) IT963823B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975408A (en) * 1970-05-27 1976-08-17 Monsanto Company Color stabilization of refined dicarboxylic acid anhydrides
US3985776A (en) * 1975-07-21 1976-10-12 Standard Oil Company (Indiana) Stannous stabilization of maleic anhydride
US4159275A (en) * 1978-07-17 1979-06-26 United States Steel Corporation Color of maleic anhydride
US4958034A (en) * 1989-11-13 1990-09-18 Ethyl Corporation Alkenyl succinic anhydrides process

Also Published As

Publication number Publication date
FR2148536A1 (fr) 1973-03-23
JPS4828405A (fr) 1973-04-14
GB1361525A (en) 1974-07-24
US3775436A (en) 1973-11-27
IT963823B (it) 1974-01-21
JPS5117532B2 (fr) 1976-06-03
DE2239054C3 (de) 1981-02-05
FR2148536B1 (fr) 1974-11-08
CA971179A (en) 1975-07-15
AU4538272A (en) 1974-02-14
DE2239054A1 (de) 1973-02-22
DE2239054B2 (de) 1980-05-22

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: MONSANTO CY

Effective date: 19920808