FR1381831A - New production process for dimethyl ketene - Google Patents
New production process for dimethyl keteneInfo
- Publication number
- FR1381831A FR1381831A FR962573A FR962573A FR1381831A FR 1381831 A FR1381831 A FR 1381831A FR 962573 A FR962573 A FR 962573A FR 962573 A FR962573 A FR 962573A FR 1381831 A FR1381831 A FR 1381831A
- Authority
- FR
- France
- Prior art keywords
- production process
- new production
- dimethyl ketene
- ketene
- dimethyl
- 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
- VDOKWPVSGXHSNP-UHFFFAOYSA-N 2-methylprop-1-en-1-one Chemical compound CC(C)=C=O VDOKWPVSGXHSNP-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/88—Ketenes; Dimeric ketenes
-
- 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
- C07C45/89—Preparation of ketenes or dimeric ketenes from carboxylic acids, their anhydrides, esters or halides
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 |
|---|---|---|---|
| US25595863A | 1963-02-04 | 1963-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1381831A true FR1381831A (en) | 1964-12-14 |
Family
ID=41566039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR962573A Expired FR1381831A (en) | 1963-02-04 | 1964-02-04 | New production process for dimethyl ketene |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1240845B (en) |
| FR (1) | FR1381831A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993004026A1 (en) * | 1991-08-20 | 1993-03-04 | Eastman Kodak Company | Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol |
| WO1994018146A1 (en) * | 1993-02-01 | 1994-08-18 | Eastman Chemical Company | Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol |
| CN111718252A (en) * | 2019-03-21 | 2020-09-29 | 财团法人工业技术研究院 | Synthetic method of 2,2,4,4-tetramethyl-1,3-cyclobutanedione |
-
1964
- 1964-02-01 DE DE1964E0026326 patent/DE1240845B/en active Pending
- 1964-02-04 FR FR962573A patent/FR1381831A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993004026A1 (en) * | 1991-08-20 | 1993-03-04 | Eastman Kodak Company | Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol |
| WO1994018146A1 (en) * | 1993-02-01 | 1994-08-18 | Eastman Chemical Company | Process for the manufacture of 2,2,4,4-tetramethylcyclobutanediol |
| CN111718252A (en) * | 2019-03-21 | 2020-09-29 | 财团法人工业技术研究院 | Synthetic method of 2,2,4,4-tetramethyl-1,3-cyclobutanedione |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1240845B (en) | 1967-05-24 |
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