GB1518660A - Process for obtaining maleic anhydride - Google Patents

Process for obtaining maleic anhydride

Info

Publication number
GB1518660A
GB1518660A GB1338577A GB1338577A GB1518660A GB 1518660 A GB1518660 A GB 1518660A GB 1338577 A GB1338577 A GB 1338577A GB 1338577 A GB1338577 A GB 1338577A GB 1518660 A GB1518660 A GB 1518660A
Authority
GB
United Kingdom
Prior art keywords
maleic anhydride
maleic acid
obtaining maleic
organic
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
GB1338577A
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.)
Lonza AG
Original Assignee
Lonza AG
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 Lonza AG filed Critical Lonza AG
Publication of GB1518660A publication Critical patent/GB1518660A/en
Expired legal-status Critical Current

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB1338577A 1976-04-12 1977-03-30 Process for obtaining maleic anhydride Expired GB1518660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH459276A CH617930A5 (en) 1976-04-12 1976-04-12 Method for preparing maleic anhydride.

Publications (1)

Publication Number Publication Date
GB1518660A true GB1518660A (en) 1978-07-19

Family

ID=4278958

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1338577A Expired GB1518660A (en) 1976-04-12 1977-03-30 Process for obtaining maleic anhydride

Country Status (9)

Country Link
JP (1) JPS52125119A (it)
AT (1) AT352695B (it)
BE (1) BE853471A (it)
CH (1) CH617930A5 (it)
DE (1) DE2632053A1 (it)
FR (1) FR2348208A1 (it)
GB (1) GB1518660A (it)
IT (1) IT1073186B (it)
NL (1) NL7703962A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1253698B (it) * 1990-05-31 1995-08-23 Sisas Spa Procedimento per il recupero di anidride maleica da miscele di reazione

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2411567A (en) * 1943-08-23 1946-11-26 British Celanese Manufacture of carboxylic acid anhydrides
US2689863A (en) * 1948-10-07 1954-09-21 Union Carbide & Carbon Corp Ester-anhydrides and the production thereof
BE756951A (fr) * 1969-10-01 1971-04-01 Basf Ag Procede perfectionne de preparation de l'anhydride maleique

Also Published As

Publication number Publication date
NL7703962A (nl) 1977-10-14
CH617930A5 (en) 1980-06-30
IT1073186B (it) 1985-04-13
BE853471A (fr) 1977-10-12
ATA250077A (de) 1979-03-15
DE2632053A1 (de) 1977-10-27
JPS52125119A (en) 1977-10-20
AT352695B (de) 1979-10-10
FR2348208A1 (fr) 1977-11-10

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Legal Events

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