FR2156718B1 - - Google Patents
Info
- Publication number
- FR2156718B1 FR2156718B1 FR7236172A FR7236172A FR2156718B1 FR 2156718 B1 FR2156718 B1 FR 2156718B1 FR 7236172 A FR7236172 A FR 7236172A FR 7236172 A FR7236172 A FR 7236172A FR 2156718 B1 FR2156718 B1 FR 2156718B1
- Authority
- FR
- France
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/08—Polymerisation of formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Polyethers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46082124A JPS4935839B2 (enExample) | 1971-10-19 | 1971-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2156718A1 FR2156718A1 (enExample) | 1973-06-01 |
| FR2156718B1 true FR2156718B1 (enExample) | 1974-10-25 |
Family
ID=13765651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7236172A Expired FR2156718B1 (enExample) | 1971-10-19 | 1972-10-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3804808A (enExample) |
| JP (1) | JPS4935839B2 (enExample) |
| DE (1) | DE2226620C3 (enExample) |
| FR (1) | FR2156718B1 (enExample) |
| GB (1) | GB1336828A (enExample) |
| IT (1) | IT964068B (enExample) |
| NL (1) | NL7210220A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3067348D1 (en) * | 1979-08-23 | 1984-05-10 | Ube Industries | Process for polymerizing formaldehyde |
| DE3066423D1 (en) * | 1979-11-06 | 1984-03-08 | Ube Industries | Process for polymerizing formaldehyde |
| DE10215978A1 (de) * | 2002-04-11 | 2003-10-23 | Basf Ag | Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren |
| DE10215976A1 (de) * | 2002-04-11 | 2003-10-23 | Basf Ag | Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren III |
| WO2013076286A1 (en) | 2011-11-24 | 2013-05-30 | Ticona Gmbh | Process for the production of trioxane |
| US10829467B2 (en) | 2018-03-29 | 2020-11-10 | Celanese Sales Germany Gmbh | Process for producing a cyclic acetal in a heterogeneous reaction system |
| CN114591538B (zh) * | 2022-03-25 | 2022-12-13 | 山东共聚有机硅技术研究院有限公司 | 甲基乙酰丙酮基硅烷稳定剂及其制备方法和应用 |
-
1971
- 1971-10-19 JP JP46082124A patent/JPS4935839B2/ja not_active Expired
-
1972
- 1972-05-25 US US00256742A patent/US3804808A/en not_active Expired - Lifetime
- 1972-05-30 GB GB2513172A patent/GB1336828A/en not_active Expired
- 1972-05-31 DE DE2226620A patent/DE2226620C3/de not_active Expired
- 1972-07-25 NL NL7210220A patent/NL7210220A/xx unknown
- 1972-08-18 IT IT28285/72A patent/IT964068B/it active
- 1972-10-12 FR FR7236172A patent/FR2156718B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2226620C3 (de) | 1974-09-05 |
| IT964068B (it) | 1974-01-21 |
| JPS4935839B2 (enExample) | 1974-09-26 |
| NL7210220A (enExample) | 1973-04-25 |
| JPS4847592A (enExample) | 1973-07-06 |
| DE2226620A1 (de) | 1973-05-03 |
| US3804808A (en) | 1974-04-16 |
| GB1336828A (en) | 1973-11-14 |
| FR2156718A1 (enExample) | 1973-06-01 |
| DE2226620B2 (de) | 1974-02-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |