BR8805887A - Processo para a preparacao de um anidrido succinico substituido - Google Patents

Processo para a preparacao de um anidrido succinico substituido

Info

Publication number
BR8805887A
BR8805887A BR888805887A BR8805887A BR8805887A BR 8805887 A BR8805887 A BR 8805887A BR 888805887 A BR888805887 A BR 888805887A BR 8805887 A BR8805887 A BR 8805887A BR 8805887 A BR8805887 A BR 8805887A
Authority
BR
Brazil
Prior art keywords
replaced
preparation
succinic anhydride
succinic
anhydride
Prior art date
Application number
BR888805887A
Other languages
English (en)
Inventor
Herbert Elliott Fried
Charles Lee Adwards
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of BR8805887A publication Critical patent/BR8805887A/pt

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
    • C07C51/567—Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
BR888805887A 1987-11-13 1988-11-10 Processo para a preparacao de um anidrido succinico substituido BR8805887A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12025587A 1987-11-13 1987-11-13

Publications (1)

Publication Number Publication Date
BR8805887A true BR8805887A (pt) 1989-08-01

Family

ID=22389147

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888805887A BR8805887A (pt) 1987-11-13 1988-11-10 Processo para a preparacao de um anidrido succinico substituido

Country Status (5)

Country Link
EP (1) EP0317004B1 (pt)
JP (1) JP2523359B2 (pt)
BR (1) BR8805887A (pt)
CA (1) CA1291144C (pt)
DE (1) DE3888099T2 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071919A (en) * 1990-05-17 1991-12-10 Ethyl Petroleum Additives, Inc. Substituted acylating agents and their production
US5137978A (en) * 1990-05-17 1992-08-11 Ethyl Petroleum Additives, Inc. Substituted acylating agents and their production
US5137980A (en) * 1990-05-17 1992-08-11 Ethyl Petroleum Additives, Inc. Ashless dispersants formed from substituted acylating agents and their production and use
US5241003A (en) * 1990-05-17 1993-08-31 Ethyl Petroleum Additives, Inc. Ashless dispersants formed from substituted acylating agents and their production and use

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4085143A (en) * 1975-06-05 1978-04-18 Eastman Kodak Company Manufacture of α,β-unsaturated acids and anhydrides
AT395975B (de) * 1985-12-25 1993-04-26 Daicel Chem Verfahren zur herstellung eines organischen carbonsaeureanhydrids

Also Published As

Publication number Publication date
JP2523359B2 (ja) 1996-08-07
EP0317004A2 (en) 1989-05-24
CA1291144C (en) 1991-10-22
DE3888099T2 (de) 1994-07-14
JPH01165579A (ja) 1989-06-29
DE3888099D1 (de) 1994-04-07
EP0317004A3 (en) 1990-11-07
EP0317004B1 (en) 1994-03-02

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 10/11/2003