DK50385C - Fremgangsmaade til Fremstilling af Diketen. - Google Patents

Fremgangsmaade til Fremstilling af Diketen.

Info

Publication number: DK50385C
Authority: DK; Denmark
Prior art keywords: diket; procedure; manufacturing
Prior art date: 1932-10-14

Application number

Other languages

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.)

1932-10-14

Filing date

1933-10-09

Publication date

1935-07-01

1933-10-09 Application filed by Carbide & Carbon Chem Corp filed Critical Carbide & Carbon Chem Corp

1935-07-01 Application granted granted Critical

1935-07-01 Publication of DK50385C publication Critical patent/DK50385C/da

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

1932
- 1932-10-14 US US637770A patent/US2019983A/en not_active Expired - Lifetime
1933
- 1933-09-30 GB GB26980/33A patent/GB410394A/en not_active Expired
- 1933-10-06 FR FR761731D patent/FR761731A/fr not_active Expired
- 1933-10-08 DE DEC48375D patent/DE628321C/de not_active Expired
- 1933-10-09 DK DK50385D patent/DK50385C/da active

Also Published As

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

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