NL189192B - PROCESS FOR PREPARING AROMATIC BIS (ETHER-PHTALIC ACID) OR AROMATIC BIS (ETHER-ANHYDRIDE). - Google Patents

PROCESS FOR PREPARING AROMATIC BIS (ETHER-PHTALIC ACID) OR AROMATIC BIS (ETHER-ANHYDRIDE).

Info

Publication number
NL189192B
NL189192B NLAANVRAGE8201387,A NL8201387A NL189192B NL 189192 B NL189192 B NL 189192B NL 8201387 A NL8201387 A NL 8201387A NL 189192 B NL189192 B NL 189192B
Authority
NL
Netherlands
Prior art keywords
ether
aromatic bis
anhydride
phtalic acid
preparing
Prior art date
Application number
NLAANVRAGE8201387,A
Other languages
Dutch (nl)
Other versions
NL8201387A (en
Original Assignee
Gen Electric
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 US06/250,994 external-priority patent/US4329496A/en
Priority claimed from US06/254,815 external-priority patent/US4329292A/en
Application filed by Gen Electric filed Critical Gen Electric
Publication of NL8201387A publication Critical patent/NL8201387A/en
Publication of NL189192B publication Critical patent/NL189192B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44—Iso-indoles; Hydrogenated iso-indoles
    • C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Indole Compounds (AREA)
NLAANVRAGE8201387,A 1981-04-03 1982-04-01 PROCESS FOR PREPARING AROMATIC BIS (ETHER-PHTALIC ACID) OR AROMATIC BIS (ETHER-ANHYDRIDE). NL189192B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US25099481 1981-04-03
US06/250,994 US4329496A (en) 1981-04-03 1981-04-03 Method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride)
US25481581 1981-04-16
US06/254,815 US4329292A (en) 1981-04-16 1981-04-16 Continuous method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride)

Publications (2)

Publication Number Publication Date
NL8201387A NL8201387A (en) 1982-11-01
NL189192B true NL189192B (en) 1992-09-01

Family

ID=26941301

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8201387,A NL189192B (en) 1981-04-03 1982-04-01 PROCESS FOR PREPARING AROMATIC BIS (ETHER-PHTALIC ACID) OR AROMATIC BIS (ETHER-ANHYDRIDE).

Country Status (6)

Country Link
AU (1) AU8235082A (en)
DE (1) DE3212163A1 (en)
FR (1) FR2503141B1 (en)
GB (1) GB2096141B (en)
IT (1) IT1221730B (en)
NL (1) NL189192B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0413415A1 (en) * 1989-06-13 1991-02-20 The British Petroleum Company p.l.c. Carboxylic acids and derivates thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879428A (en) * 1973-03-30 1975-04-22 Gen Electric Method for making aromatic bis(ether anhydride)s
US3957862A (en) * 1973-03-30 1976-05-18 General Electric Company Method of making aromatic bis(ether ortho phthalic acid)s
US4116980A (en) * 1976-10-04 1978-09-26 General Electric Company Method for making aromatic bis (ether phthalic acid) or aromatic bis (ether anhydride)s
US4128574A (en) * 1976-10-04 1978-12-05 General Electric Company Method for making organic polycarboxylic acids
US4318857A (en) * 1981-04-03 1982-03-09 General Electric Company Method for making aromatic bis (ether anhydrides)

Also Published As

Publication number Publication date
DE3212163A1 (en) 1982-10-28
AU8235082A (en) 1982-10-07
IT8220553A0 (en) 1982-04-02
GB2096141A (en) 1982-10-13
NL8201387A (en) 1982-11-01
FR2503141B1 (en) 1986-05-02
FR2503141A1 (en) 1982-10-08
DE3212163C2 (en) 1993-06-17
GB2096141B (en) 1985-04-24
IT1221730B (en) 1990-07-12

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19961101