FR1569924A - - Google Patents
Info
- Publication number
- FR1569924A FR1569924A FR1569924DA FR1569924A FR 1569924 A FR1569924 A FR 1569924A FR 1569924D A FR1569924D A FR 1569924DA FR 1569924 A FR1569924 A FR 1569924A
- 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
- C08G2/06—Catalysts
-
- 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
- C08G2/04—Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents
-
- 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
- C08G2/10—Polymerisation of cyclic oligomers 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1510967 | 1967-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1569924A true FR1569924A (US06826419-20041130-M00005.png) | 1969-06-06 |
Family
ID=11146329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1569924D Expired FR1569924A (US06826419-20041130-M00005.png) | 1967-04-19 | 1968-04-17 |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3959227A (en) * | 1973-05-02 | 1976-05-25 | American Cyanamid Company | Polyformals having low methylol end-group content and polyurethanes produced therefrom |
| EP0708123A3 (de) * | 1994-10-10 | 1997-10-08 | Hoechst Ag | Polyacetalformmasse mit niedriger Schmelzviskosität |
-
1968
- 1968-04-16 US US721578A patent/US3557058A/en not_active Expired - Lifetime
- 1968-04-16 DE DE19681770216 patent/DE1770216A1/de active Pending
- 1968-04-17 FR FR1569924D patent/FR1569924A/fr not_active Expired
- 1968-04-18 GB GB08265/68A patent/GB1166796A/en not_active Expired
- 1968-04-18 BE BE713841D patent/BE713841A/xx unknown
- 1968-04-19 NL NL6805561A patent/NL6805561A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6805561A (US06826419-20041130-M00005.png) | 1968-10-21 |
| US3557058A (en) | 1971-01-19 |
| BE713841A (US06826419-20041130-M00005.png) | 1968-10-18 |
| DE1770216A1 (de) | 1971-10-14 |
| GB1166796A (en) | 1969-10-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |