JPS49100063A - - Google Patents
Info
- Publication number
- JPS49100063A JPS49100063A JP48137259A JP13725973A JPS49100063A JP S49100063 A JPS49100063 A JP S49100063A JP 48137259 A JP48137259 A JP 48137259A JP 13725973 A JP13725973 A JP 13725973A JP S49100063 A JPS49100063 A JP S49100063A
- 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.)
- Granted
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
- C07C45/89—Preparation of ketenes or dimeric ketenes from carboxylic acids, their anhydrides, esters or halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/88—Ketenes; Dimeric ketenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2126470 | 1970-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49100063A true JPS49100063A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-09-20 |
| JPS544949B2 JPS544949B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-03-12 |
Family
ID=11179219
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP964371A Pending JPS5412462B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-02-27 | 1971-02-26 | |
| JP13725973A Expired JPS544949B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-02-27 | 1973-12-08 | |
| JP263578A Pending JPS53111040A (en) | 1970-02-27 | 1978-01-13 | Method for production of alicyclic ketene and like |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP964371A Pending JPS5412462B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-02-27 | 1971-02-26 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP263578A Pending JPS53111040A (en) | 1970-02-27 | 1978-01-13 | Method for production of alicyclic ketene and like |
Country Status (18)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3978120A (en) * | 1971-02-25 | 1976-08-31 | Snia Viscosa Societa Nazionale Industria Applicazioni Viscosa S.P.A. | Method for the production of alicyclic anhydrides |
| JPS55130930U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1979-03-07 | 1980-09-16 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2688635A (en) * | 1951-05-24 | 1954-09-07 | Allied Chem & Dye Corp | Process for the production of ketene or acetic anhydride from a mixture of acetic acid and formic acid |
| US2863922A (en) * | 1956-10-02 | 1958-12-09 | Hoffmann La Roche | Preparation of ketene |
| US3366689A (en) * | 1965-03-31 | 1968-01-30 | Daikin Ind Ltd | Process for manufacturing ketenes |
-
1970
- 1970-03-24 NL NL7004181A patent/NL7004181A/xx unknown
-
1971
- 1971-02-22 ZA ZA711118A patent/ZA711118B/xx unknown
- 1971-02-22 IE IE212/71A patent/IE34961B1/xx unknown
- 1971-02-23 NO NO651/71A patent/NO134150C/no unknown
- 1971-02-24 IL IL44254A patent/IL44254A/xx unknown
- 1971-02-24 IL IL36284A patent/IL36284A/xx unknown
- 1971-02-24 CA CA106,175A patent/CA961505A/en not_active Expired
- 1971-02-25 TR TR16724A patent/TR16724A/xx unknown
- 1971-02-25 US US118951A patent/US3914313A/en not_active Expired - Lifetime
- 1971-02-26 AT AT168371A patent/AT313251B/de not_active IP Right Cessation
- 1971-02-26 DE DE2109266A patent/DE2109266B2/de not_active Withdrawn
- 1971-02-26 FR FR7106664A patent/FR2079102A5/fr not_active Expired
- 1971-02-26 SU SU1621371A patent/SU368739A3/ru active
- 1971-02-26 CH CH283771A patent/CH581595A5/xx not_active IP Right Cessation
- 1971-02-26 BR BR1226/71A patent/BR7101226D0/pt unknown
- 1971-02-26 JP JP964371A patent/JPS5412462B1/ja active Pending
- 1971-02-26 BE BE763493A patent/BE763493A/xx unknown
- 1971-02-27 ES ES388692A patent/ES388692A1/es not_active Expired
- 1971-04-19 GB GB2276871A patent/GB1347539A/en not_active Expired
-
1973
- 1973-07-02 ES ES416501A patent/ES416501A1/es not_active Expired
- 1973-12-08 JP JP13725973A patent/JPS544949B2/ja not_active Expired
-
1978
- 1978-01-13 JP JP263578A patent/JPS53111040A/ja active Pending