FR761731A - Procédé de fabrication du dicétène - Google Patents

Procédé de fabrication du dicétène

Info

Publication number
FR761731A
FR761731A FR761731DA FR761731A FR 761731 A FR761731 A FR 761731A FR 761731D A FR761731D A FR 761731DA FR 761731 A FR761731 A FR 761731A
Authority
FR
France
Prior art keywords
diketene
manufacturing process
manufacturing
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
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.)
Carbide and Carbon Chemicals Corp
Original Assignee
Carbide and Carbon Chemicals Corp
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 Carbide and Carbon Chemicals Corp filed Critical Carbide and Carbon Chemicals Corp
Application granted granted Critical
Publication of FR761731A publication Critical patent/FR761731A/fr
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
    • C07C45/87—Preparation of ketenes or dimeric ketenes
    • C07C45/88—Preparation of ketenes or dimeric ketenes from ketones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR761731D 1932-10-14 1933-10-06 Procédé de fabrication du dicétène Expired FR761731A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US637770A US2019983A (en) 1932-10-14 1932-10-14 Preparation of diketene

Publications (1)

Publication Number Publication Date
FR761731A true FR761731A (fr) 1934-03-26

Family

ID=24557303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR761731D Expired FR761731A (fr) 1932-10-14 1933-10-06 Procédé de fabrication du dicétène

Country Status (5)

Country Link
US (1) US2019983A (fr)
DE (1) DE628321C (fr)
DK (1) DK50385C (fr)
FR (1) FR761731A (fr)
GB (1) GB410394A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2513825A (en) * 1946-04-10 1950-07-04 Du Pont Preparation of ketenes
US2476859A (en) * 1948-02-07 1949-07-19 Eastman Kodak Co Process for preparing acid anhydrides and acetone
US2688640A (en) * 1951-03-27 1954-09-07 Bayer Ag Manufacture of diketene
US2806064A (en) * 1954-02-23 1957-09-10 Celanese Corp Production of anhydrous ketenes
US2802872A (en) * 1954-04-09 1957-08-13 Hoffmann La Roche Preparation of diketene
DE1043323B (de) * 1955-09-15 1958-11-13 Distillers Co Yeast Ltd Verfahren zur Herstellung von Diketen
DE1132128B (de) * 1960-09-30 1962-06-28 Wacker Chemie Gmbh Verfahren zur Herstellung von kristallisierten 1, 3-Dialkylcyclobutenolonen
DE1240847B (de) * 1963-08-02 1967-05-24 Basf Ag Verfahren zur Herstellung von Diketen aus Keten in Gegenwart eines Loesungsmittels und eines sauren Dimerisierungskatalysators
US3759955A (en) * 1971-03-19 1973-09-18 Celanese Corp Process for inhibiting diketene polymerization
CN107954912A (zh) * 2017-12-07 2018-04-24 南通醋酸化工股份有限公司 一种双乙烯酮生产过程中吸收分离的方法

Also Published As

Publication number Publication date
DK50385C (da) 1935-07-01
DE628321C (de) 1936-04-06
GB410394A (en) 1934-05-17
US2019983A (en) 1935-11-05

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