GB1472530A - Anhydrides of carboxylic acids - Google Patents

Anhydrides of carboxylic acids

Info

Publication number
GB1472530A
GB1472530A GB2740374A GB2740374A GB1472530A GB 1472530 A GB1472530 A GB 1472530A GB 2740374 A GB2740374 A GB 2740374A GB 2740374 A GB2740374 A GB 2740374A GB 1472530 A GB1472530 A GB 1472530A
Authority
GB
United Kingdom
Prior art keywords
acids
anhydrides
acid
aromatic
carboxylic
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
GB2740374A
Other languages
English (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.)
Lummus Technology LLC
Original Assignee
Lummus 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 US05/372,047 external-priority patent/US3944598A/en
Application filed by Lummus Co filed Critical Lummus Co
Publication of GB1472530A publication Critical patent/GB1472530A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/08Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Indole Compounds (AREA)
  • Furan Compounds (AREA)
GB2740374A 1973-06-21 1974-06-20 Anhydrides of carboxylic acids Expired GB1472530A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/372,047 US3944598A (en) 1973-06-21 1973-06-21 Production of amine salts of carboxylic acids
US05/436,861 US3931243A (en) 1973-06-21 1974-01-28 Production of phthalic anhydride

Publications (1)

Publication Number Publication Date
GB1472530A true GB1472530A (en) 1977-05-04

Family

ID=27005621

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2740374A Expired GB1472530A (en) 1973-06-21 1974-06-20 Anhydrides of carboxylic acids

Country Status (6)

Country Link
US (1) US3931243A (enExample)
JP (1) JPS5844670B2 (enExample)
DE (1) DE2429632A1 (enExample)
FR (2) FR2296612A1 (enExample)
GB (1) GB1472530A (enExample)
NL (1) NL7408413A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0731079A3 (enExample) * 1995-03-08 1996-10-16 Daicel Chem

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329496A (en) * 1981-04-03 1982-05-11 General Electric Company Method for making aromatic bis(ether phthalic acid) or aromatic bis(ether anhydride)
US4571426A (en) * 1984-08-31 1986-02-18 Chemische Werke Huls Ag Process for the production of maleic anhydride
US4562264A (en) * 1984-08-31 1985-12-31 Chemische Werke Huls Aktiengesellschaft Process for the recovery of five-membered ring dicarboxylic acid anhydrides
US6037476A (en) * 1999-04-06 2000-03-14 Albemarle Corporation Process for making cyclic imides
JP2005281175A (ja) * 2004-03-29 2005-10-13 Asahi Kasei Chemicals Corp 多価カルボン酸製造方法
JP2005289851A (ja) * 2004-03-31 2005-10-20 Asahi Kasei Chemicals Corp 多価カルボン酸エステル製造方法
FR2993559B1 (fr) * 2012-07-19 2014-08-15 Rhodia Operations Procede de preparation de composes diacides

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499055A (en) * 1946-04-02 1950-02-28 Allied Chem & Dye Corp Production of nitriles
US2478464A (en) * 1947-08-15 1949-08-09 Socony Vacuum Oil Co Inc Production of aromatic nitriles
US2657230A (en) * 1952-09-17 1953-10-27 Du Pont Resolution of lysine
US3403170A (en) * 1966-05-09 1968-09-24 Koppers Co Inc Process for the preparation of hexahydrophthalic acid and anhydride

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0731079A3 (enExample) * 1995-03-08 1996-10-16 Daicel Chem
US5763652A (en) * 1995-03-08 1998-06-09 Daicel Chemical Industries, Ltd. Process for producing a carboxylic acid

Also Published As

Publication number Publication date
DE2429632A1 (de) 1975-01-16
JPS5844670B2 (ja) 1983-10-04
FR2296612B1 (enExample) 1978-03-31
JPS5019710A (enExample) 1975-03-01
NL7408413A (enExample) 1974-12-24
FR2296612A1 (fr) 1976-07-30
US3931243A (en) 1976-01-06
FR2296630B1 (enExample) 1978-02-24
FR2296630A1 (fr) 1976-07-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee