DE1643578C2 - Verfahren zum Herstellen von Carbonsaeureanhydriden und Formaldehyd - Google Patents

Verfahren zum Herstellen von Carbonsaeureanhydriden und Formaldehyd

Info

Publication number
DE1643578C2
DE1643578C2 DE19671643578 DE1643578A DE1643578C2 DE 1643578 C2 DE1643578 C2 DE 1643578C2 DE 19671643578 DE19671643578 DE 19671643578 DE 1643578 A DE1643578 A DE 1643578A DE 1643578 C2 DE1643578 C2 DE 1643578C2
Authority
DE
Germany
Prior art keywords
formaldehyde
production
carboxylic anhydrides
anhydrides
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
DE19671643578
Other languages
English (en)
Other versions
DE1643578C (de
DE1643578B1 (de
Inventor
Shinichi Ishida
Kunio Sato
Toshiaki Yamazaki
Noboru Ohshima
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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 Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of DE1643578B1 publication Critical patent/DE1643578B1/de
Publication of DE1643578C publication Critical patent/DE1643578C/de
Application granted granted Critical
Publication of DE1643578C2 publication Critical patent/DE1643578C2/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/54—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
    • 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)
  • Catalysts (AREA)
DE19671643578 1966-07-21 1967-07-21 Verfahren zum Herstellen von Carbonsaeureanhydriden und Formaldehyd Expired DE1643578C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4732666 1966-07-21
JP4732666 1966-07-21

Publications (3)

Publication Number Publication Date
DE1643578B1 DE1643578B1 (de) 1972-12-07
DE1643578C DE1643578C (de) 1973-06-28
DE1643578C2 true DE1643578C2 (de) 1973-07-28

Family

ID=12772112

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671643578 Expired DE1643578C2 (de) 1966-07-21 1967-07-21 Verfahren zum Herstellen von Carbonsaeureanhydriden und Formaldehyd

Country Status (2)

Country Link
US (1) US3590081A (de)
DE (1) DE1643578C2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1146966A (en) * 1978-03-27 1983-05-24 James E. Lyons Catalytic process for the conversion of toluene to equimolar amounts of phenol and formaldehyde
US4260808A (en) * 1978-11-03 1981-04-07 Suntech, Inc. Catalytic process for the conversion of toluene to equimolar amounts of phenol acetate and methylene diacetate

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
US3590081A (en) 1971-06-29
SU439961A3 (ru) 1974-08-15
DE1643578B1 (de) 1972-12-07

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977