GB1396489A - Process for the dehydration of maleic acid - Google Patents

Process for the dehydration of maleic acid

Info

Publication number
GB1396489A
GB1396489A GB2908273A GB2908273A GB1396489A GB 1396489 A GB1396489 A GB 1396489A GB 2908273 A GB2908273 A GB 2908273A GB 2908273 A GB2908273 A GB 2908273A GB 1396489 A GB1396489 A GB 1396489A
Authority
GB
United Kingdom
Prior art keywords
dehydration
maleic acid
maleic
maleic anhydride
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
GB2908273A
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.)
Rhone Progil SA
Original Assignee
Rhone Progil SA
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 Rhone Progil SA filed Critical Rhone Progil SA
Publication of GB1396489A publication Critical patent/GB1396489A/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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
    • C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
    • 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

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)
GB2908273A 1972-06-21 1973-06-19 Process for the dehydration of maleic acid Expired GB1396489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7222372A FR2189363B1 (de) 1972-06-21 1972-06-21

Publications (1)

Publication Number Publication Date
GB1396489A true GB1396489A (en) 1975-06-04

Family

ID=9100556

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2908273A Expired GB1396489A (en) 1972-06-21 1973-06-19 Process for the dehydration of maleic acid

Country Status (12)

Country Link
JP (1) JPS5320967B2 (de)
AR (1) AR194909A1 (de)
BE (1) BE801167A (de)
BR (1) BR7304549D0 (de)
CA (1) CA998682A (de)
DE (1) DE2331391C3 (de)
ES (1) ES416062A1 (de)
FR (1) FR2189363B1 (de)
GB (1) GB1396489A (de)
IN (1) IN141271B (de)
IT (1) IT985725B (de)
NL (1) NL7308490A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH595430A5 (de) 1976-04-12 1978-02-15 Leon Oudem
FR2484417A1 (fr) * 1980-06-13 1981-12-18 Charbonnages Ste Chimique Procede continu de deshydratation de l'acide maleique et installation pour sa mise en oeuvre

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832802A (en) * 1954-09-07 1958-04-29 California Spray Chemical Corp Recovery of purified maleic acid
CH488644A (de) * 1967-12-13 1970-04-15 Luwa Ag Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Carbonsäureanhydriden aus mehrbasischen Carbonsäuren
GB1242320A (en) * 1968-01-30 1971-08-11 Ucb Union Chimiqu Chemische Be Process for the dehydration of maleic acid
US3807273A (en) * 1972-05-24 1974-04-30 Sutures Inc Method of making pliable, dyed and braided polyester sutures

Also Published As

Publication number Publication date
JPS5320967B2 (de) 1978-06-29
IN141271B (de) 1977-02-12
JPS4962411A (de) 1974-06-17
BR7304549D0 (pt) 1974-08-29
DE2331391A1 (de) 1974-01-24
IT985725B (it) 1974-12-20
DE2331391B2 (de) 1977-09-15
DE2331391C3 (de) 1978-05-11
AR194909A1 (es) 1973-08-24
BE801167A (fr) 1973-12-20
FR2189363B1 (de) 1974-10-25
NL7308490A (de) 1973-12-27
ES416062A1 (es) 1976-03-01
FR2189363A1 (de) 1974-01-25
CA998682A (en) 1976-10-19

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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