CH488644A - Process and device for the continuous production of carboxylic acid anhydrides from polybasic carboxylic acids - Google Patents

Process and device for the continuous production of carboxylic acid anhydrides from polybasic carboxylic acids

Info

Publication number
CH488644A
CH488644A CH1750967A CH1750967A CH488644A CH 488644 A CH488644 A CH 488644A CH 1750967 A CH1750967 A CH 1750967A CH 1750967 A CH1750967 A CH 1750967A CH 488644 A CH488644 A CH 488644A
Authority
CH
Switzerland
Prior art keywords
continuous production
acid anhydrides
carboxylic acid
carboxylic acids
polybasic
Prior art date
Application number
CH1750967A
Other languages
German (de)
Inventor
Jacobi Ernst Dr Chem
Original Assignee
Luwa 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 Luwa Ag filed Critical Luwa Ag
Priority to CH1750967A priority Critical patent/CH488644A/en
Priority to DE19681809941 priority patent/DE1809941A1/en
Priority to BE724844D priority patent/BE724844A/xx
Priority to GB1227887D priority patent/GB1227887A/en
Priority to FR1595031D priority patent/FR1595031A/fr
Priority to JP9060068A priority patent/JPS5120486B1/ja
Publication of CH488644A publication Critical patent/CH488644A/en

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
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
CH1750967A 1967-12-13 1967-12-13 Process and device for the continuous production of carboxylic acid anhydrides from polybasic carboxylic acids CH488644A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1750967A CH488644A (en) 1967-12-13 1967-12-13 Process and device for the continuous production of carboxylic acid anhydrides from polybasic carboxylic acids
DE19681809941 DE1809941A1 (en) 1967-12-13 1968-11-20 Process and device for the continuous production of acid anhydrides from polybasic organic acids
BE724844D BE724844A (en) 1967-12-13 1968-12-03
GB1227887D GB1227887A (en) 1967-12-13 1968-12-09
FR1595031D FR1595031A (en) 1967-12-13 1968-12-11
JP9060068A JPS5120486B1 (en) 1967-12-13 1968-12-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1750967A CH488644A (en) 1967-12-13 1967-12-13 Process and device for the continuous production of carboxylic acid anhydrides from polybasic carboxylic acids

Publications (1)

Publication Number Publication Date
CH488644A true CH488644A (en) 1970-04-15

Family

ID=4425979

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1750967A CH488644A (en) 1967-12-13 1967-12-13 Process and device for the continuous production of carboxylic acid anhydrides from polybasic carboxylic acids

Country Status (6)

Country Link
JP (1) JPS5120486B1 (en)
BE (1) BE724844A (en)
CH (1) CH488644A (en)
DE (1) DE1809941A1 (en)
FR (1) FR1595031A (en)
GB (1) GB1227887A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356049A1 (en) * 1973-11-09 1975-05-22 Basf Ag EXTRACTION OF MALEIC ACID ANHYDRIDE FROM WATER FROM PHTHALIC ANHYDRIDE PRODUCTION

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2189363B1 (en) * 1972-06-21 1974-10-25 Rhone Progil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356049A1 (en) * 1973-11-09 1975-05-22 Basf Ag EXTRACTION OF MALEIC ACID ANHYDRIDE FROM WATER FROM PHTHALIC ANHYDRIDE PRODUCTION

Also Published As

Publication number Publication date
FR1595031A (en) 1970-06-08
JPS5120486B1 (en) 1976-06-25
BE724844A (en) 1969-05-16
GB1227887A (en) 1971-04-07
DE1809941A1 (en) 1969-07-17

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Legal Events

Date Code Title Description
PL Patent ceased