GB2096141B - Method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride) - Google Patents

Method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride)

Info

Publication number
GB2096141B
GB2096141B GB8208972A GB8208972A GB2096141B GB 2096141 B GB2096141 B GB 2096141B GB 8208972 A GB8208972 A GB 8208972A GB 8208972 A GB8208972 A GB 8208972A GB 2096141 B GB2096141 B GB 2096141B
Authority
GB
United Kingdom
Prior art keywords
aromatic bis
ether
phthalic acid
making
anhydride
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB8208972A
Other languages
English (en)
Other versions
GB2096141A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric 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
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 General Electric Co filed Critical General Electric Co
Publication of GB2096141A publication Critical patent/GB2096141A/en
Application granted granted Critical
Publication of GB2096141B publication Critical patent/GB2096141B/en
Expired legal-status Critical Current

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)
GB8208972A 1981-04-03 1982-03-26 Method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride) Expired GB2096141B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/250,994 US4329496A (en) 1981-04-03 1981-04-03 Method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride)
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
GB2096141A GB2096141A (en) 1982-10-13
GB2096141B true GB2096141B (en) 1985-04-24

Family

ID=26941301

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8208972A Expired GB2096141B (en) 1981-04-03 1982-03-26 Method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride)

Country Status (6)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD460754S1 (en) 2001-03-02 2002-07-23 Nokia Mobile Phones Ltd. Keypad for a handset
USD461182S1 (en) 2001-03-02 2002-08-06 Nokia Mobile Phones Ltd. Key matrix for a handset
USD461468S1 (en) 2001-03-02 2002-08-13 Nokia Mobile Phones Ltd. Display area and key array for a handset
USD468304S1 (en) 2001-03-02 2003-01-07 Nokia Mobile Phones Ltd. Key array for a handset

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)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD460754S1 (en) 2001-03-02 2002-07-23 Nokia Mobile Phones Ltd. Keypad for a handset
USD461182S1 (en) 2001-03-02 2002-08-06 Nokia Mobile Phones Ltd. Key matrix for a handset
USD461174S1 (en) 2001-03-02 2002-08-06 Nokia Mobile Phones Ltd. Handset
USD461468S1 (en) 2001-03-02 2002-08-13 Nokia Mobile Phones Ltd. Display area and key array for a handset
USD461467S1 (en) 2001-03-02 2002-08-13 Nokia Mobile Phones Ltd. Front cover for a handset
USD462071S1 (en) 2001-03-02 2002-08-27 Nokia Mobile Phones Ltd. Back cover for a handset
USD468304S1 (en) 2001-03-02 2003-01-07 Nokia Mobile Phones Ltd. Key array for a handset

Also Published As

Publication number Publication date
GB2096141A (en) 1982-10-13
IT8220553A0 (it) 1982-04-02
DE3212163A1 (de) 1982-10-28
AU8235082A (en) 1982-10-07
NL189192B (nl) 1992-09-01
IT1221730B (it) 1990-07-12
NL8201387A (nl) 1982-11-01
FR2503141A1 (fr) 1982-10-08
FR2503141B1 (fr) 1986-05-02
DE3212163C2 (enrdf_load_stackoverflow) 1993-06-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970326