NL277628A - - Google Patents
Info
- Publication number
- NL277628A NL277628A NL277628DA NL277628A NL 277628 A NL277628 A NL 277628A NL 277628D A NL277628D A NL 277628DA NL 277628 A NL277628 A NL 277628A
- Authority
- NL
- Netherlands
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
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- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF33902A DE1166476B (de) | 1961-05-12 | 1961-05-12 | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen bzw. deren Estern oder AEthern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL277628A true NL277628A (de) |
Family
ID=7095311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL277628D NL277628A (de) | 1961-05-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3256245A (de) |
| BE (1) | BE616168A (de) |
| CH (1) | CH437797A (de) |
| DE (1) | DE1166476B (de) |
| DK (1) | DK107317C (de) |
| GB (1) | GB943177A (de) |
| NL (1) | NL277628A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3364157A (en) * | 1964-06-30 | 1968-01-16 | Celanese Corp | Diisocyanate coupling of oxymethylene polymer and dissimilar organic polymer |
| US3409594A (en) * | 1964-08-14 | 1968-11-05 | Celanese Corp | Polymercaptals of aromatic dimercaptans and formaldehyde |
| AU6123380A (en) * | 1980-04-18 | 1981-11-10 | American Cyanamid Company | Blends of thermoplastic polyurethane elastomers and acetal resins |
| DE3303760A1 (de) * | 1983-02-04 | 1984-08-09 | Hoechst Ag, 6230 Frankfurt | Schlagzaeh modifiziertes polyoxymethylen und daraus hergestellte formkoerper |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2529622A (en) * | 1947-05-22 | 1950-11-14 | Stanolind Oil & Gas Co | Formaldehyde purification and polymerization with selective condensation of water vapor |
| NL196512A (de) * | 1954-04-16 | |||
| US2998409A (en) * | 1954-04-16 | 1961-08-29 | Du Pont | Polyoxymethylene carboxylates of improved thermal stability |
| US3017389A (en) * | 1955-03-18 | 1962-01-16 | Du Pont | Process of controlling the molecular weight of linear formaldehyde polymers |
| BE556300A (de) * | 1955-03-18 | |||
| NL219323A (de) * | 1956-07-26 | |||
| US2993025A (en) * | 1956-07-26 | 1961-07-18 | Du Pont | Polyoxymethylene compositions stabilized with a synthetic superpolyamide |
| NL231167A (de) * | 1957-09-06 | 1900-01-01 | ||
| US2989508A (en) * | 1957-10-21 | 1961-06-20 | Celanese Corp | Solution polymerization |
| US2915560A (en) * | 1957-12-12 | 1959-12-01 | Heyden Newport Chemical Corp | Formaldehyde polymers and the process of producing same |
| US2964500A (en) * | 1958-09-29 | 1960-12-13 | Du Pont | Preparation of formaldehyde polymers with improved thermal stability |
| GB868356A (en) * | 1959-03-11 | 1961-05-17 | Bayer Ag | A process for the acylation of polyoxymethylenes |
| US7282380B2 (en) * | 2004-03-25 | 2007-10-16 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor device |
-
0
- NL NL277628D patent/NL277628A/xx unknown
-
1961
- 1961-05-12 DE DEF33902A patent/DE1166476B/de active Pending
-
1962
- 1962-02-07 CH CH148662A patent/CH437797A/de unknown
- 1962-03-26 US US182641A patent/US3256245A/en not_active Expired - Lifetime
- 1962-04-09 BE BE616168A patent/BE616168A/fr unknown
- 1962-04-13 GB GB14391/62A patent/GB943177A/en not_active Expired
- 1962-05-11 DK DK215162AA patent/DK107317C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| BE616168A (fr) | 1962-10-09 |
| CH437797A (de) | 1967-06-15 |
| DK107317C (da) | 1967-05-16 |
| US3256245A (en) | 1966-06-14 |
| DE1166476B (de) | 1964-03-26 |
| GB943177A (en) | 1963-12-04 |