DK50385C - Fremgangsmaade til Fremstilling af Diketen. - Google Patents

Fremgangsmaade til Fremstilling af Diketen.

Info

Publication number
DK50385C
DK50385C DK50385DA DK50385C DK 50385 C DK50385 C DK 50385C DK 50385D A DK50385D A DK 50385DA DK 50385 C DK50385 C DK 50385C
Authority
DK
Denmark
Prior art keywords
diket
procedure
manufacturing
Prior art date
Application number
Other languages
English (en)
Original Assignee
Carbide & Carbon Chem 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 & Carbon Chem Corp filed Critical Carbide & Carbon Chem Corp
Application granted granted Critical
Publication of DK50385C publication Critical patent/DK50385C/da

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)
DK50385D 1932-10-14 1933-10-09 Fremgangsmaade til Fremstilling af Diketen. DK50385C (da)

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
DK50385C true DK50385C (da) 1935-07-01

Family

ID=24557303

Family Applications (1)

Application Number Title Priority Date Filing Date
DK50385D DK50385C (da) 1932-10-14 1933-10-09 Fremgangsmaade til Fremstilling af Diketen.

Country Status (5)

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

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
DE628321C (de) 1936-04-06
FR761731A (fr) 1934-03-26
GB410394A (en) 1934-05-17
US2019983A (en) 1935-11-05

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