JPS4995915A - - Google Patents
Info
- Publication number
- JPS4995915A JPS4995915A JP612074A JP612074A JPS4995915A JP S4995915 A JPS4995915 A JP S4995915A JP 612074 A JP612074 A JP 612074A JP 612074 A JP612074 A JP 612074A JP S4995915 A JPS4995915 A JP S4995915A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- C07C45/90—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732301655 DE2301655C2 (de) | 1973-01-13 | 1973-01-13 | Verfahren zum Verdichten von Keten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4995915A true JPS4995915A (ja) | 1974-09-11 |
Family
ID=5868950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP612074A Pending JPS4995915A (ja) | 1973-01-13 | 1974-01-11 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4995915A (ja) |
| BE (1) | BE809710A (ja) |
| DE (1) | DE2301655C2 (ja) |
| FR (1) | FR2324605A1 (ja) |
| GB (1) | GB1408124A (ja) |
| IT (1) | IT1006886B (ja) |
| NL (1) | NL7400240A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559034A (ja) * | 1991-06-18 | 1993-03-09 | Korea Advanced Inst Of Sci Technol | ジケテンの製造方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0416385D0 (en) | 2004-07-22 | 2004-08-25 | Boc Group Plc | Gas abatement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE537237A (fr) * | 1954-04-09 | 1959-03-27 | Hoffmann La Roche | Procede pour la preparation d'un dicetene. |
-
1973
- 1973-01-13 DE DE19732301655 patent/DE2301655C2/de not_active Expired
-
1974
- 1974-01-08 NL NL7400240A patent/NL7400240A/xx not_active Application Discontinuation
- 1974-01-10 GB GB118074A patent/GB1408124A/en not_active Expired
- 1974-01-11 IT IT1933874A patent/IT1006886B/it active
- 1974-01-11 JP JP612074A patent/JPS4995915A/ja active Pending
- 1974-01-14 BE BE139778A patent/BE809710A/xx not_active IP Right Cessation
- 1974-01-14 FR FR7401128A patent/FR2324605A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559034A (ja) * | 1991-06-18 | 1993-03-09 | Korea Advanced Inst Of Sci Technol | ジケテンの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2301655C2 (de) | 1982-02-04 |
| FR2324605A1 (fr) | 1977-04-15 |
| IT1006886B (it) | 1976-10-20 |
| BE809710A (fr) | 1974-07-15 |
| GB1408124A (en) | 1975-10-01 |
| FR2324605B1 (ja) | 1978-02-10 |
| DE2301655A1 (de) | 1974-07-18 |
| NL7400240A (ja) | 1974-07-16 |