IT963823B - Composizione a base di anidridi di acidi dicarbossilici contenente un agente stabilizzante il colore - Google Patents

Composizione a base di anidridi di acidi dicarbossilici contenente un agente stabilizzante il colore

Info

Publication number
IT963823B
IT963823B IT27994/72A IT2799472A IT963823B IT 963823 B IT963823 B IT 963823B IT 27994/72 A IT27994/72 A IT 27994/72A IT 2799472 A IT2799472 A IT 2799472A IT 963823 B IT963823 B IT 963823B
Authority
IT
Italy
Prior art keywords
dicarboxylic acid
stabilizing agent
composition based
dioxide containing
color stabilizing
Prior art date
Application number
IT27994/72A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of IT963823B publication Critical patent/IT963823B/it

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)
IT27994/72A 1971-08-09 1972-08-08 Composizione a base di anidridi di acidi dicarbossilici contenente un agente stabilizzante il colore IT963823B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT963823B true IT963823B (it) 1974-01-21

Family

ID=22619543

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27994/72A IT963823B (it) 1971-08-09 1972-08-08 Composizione a base di anidridi di acidi dicarbossilici contenente un agente stabilizzante il colore

Country Status (8)

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

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
BE787316A (fr) 1973-02-08
US3775436A (en) 1973-11-27
CA971179A (en) 1975-07-15
JPS5117532B2 (it) 1976-06-03
AU4538272A (en) 1974-02-14
GB1361525A (en) 1974-07-24
DE2239054A1 (de) 1973-02-22
FR2148536B1 (it) 1974-11-08
FR2148536A1 (it) 1973-03-23
DE2239054B2 (de) 1980-05-22
DE2239054C3 (de) 1981-02-05
JPS4828405A (it) 1973-04-14

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