FR761731A - Procédé de fabrication du dicétène - Google Patents
Procédé de fabrication du dicétèneInfo
- 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
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)
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)
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 |
GB410394A (en) | 1934-05-17 |
DE628321C (de) | 1936-04-06 |
DK50385C (da) | 1935-07-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR761731A (fr) | Procédé de fabrication du dicétène | |
FR760369A (fr) | Procédé de fabrication du fer inoxydable | |
FR771746A (fr) | Procédé de fabrication de combinaisons azotées quaternaires | |
FR760626A (fr) | Procédé de fabrication de feuilles transparentes | |
FR755185A (fr) | Procédé de fabrication de tricots indémaillables | |
BE397280A (fr) | Procédé de fabrication de rêvements pour planchers | |
FR794096A (fr) | Procédé de fabrication du furfurol | |
FR793863A (fr) | Procédé de fabrication de tuyères | |
FR764322A (fr) | Procédé de fabrication de compositions de catoutchouc | |
FR730727A (fr) | Procédé de fabrication de structures métalliques | |
FR747423A (fr) | Procédé de fabrication d'éthers cycliques | |
FR809616A (fr) | Procédé de fabrication de matières colorantes | |
FR807050A (fr) | Procédé de fabrication de matières colorantes | |
FR765024A (fr) | Procédé de fabrication de phénols cyclohexylés | |
FR750998A (fr) | Procédé de fabrication de levure | |
FR749915A (fr) | Procédé de fabrication des anhydrides aliphatiques | |
FR734924A (fr) | Procédé de fabrication de récipients | |
FR769345A (fr) | Procédé de fabrication de magnésium-métal | |
FR815383A (fr) | Procédé de fabrication de solutions collantes | |
FR804450A (fr) | Procédé perfectionné de fabrication de nu-chloro-azo-dicarbonamidines | |
FR751957A (fr) | Procédé de fabrication de pigments perfectionnés | |
FR735086A (fr) | Procédé de fabrication de pellicules de cellulose | |
FR733241A (fr) | Procédé de fabrication du sirop de chocolat | |
FR733091A (fr) | Procédé de fabrication de rubans isolants | |
FR759975A (fr) | Procédé de fabrication de pigments |