BE721864A - - Google Patents
Info
- Publication number
- BE721864A BE721864A BE721864DA BE721864A BE 721864 A BE721864 A BE 721864A BE 721864D A BE721864D A BE 721864DA BE 721864 A BE721864 A BE 721864A
- Authority
- BE
- Belgium
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
- C08G2/30—Chemical modification by after-treatment
- C08G2/36—Chemical modification by after-treatment by depolymerisation
-
- 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
- C08G2/18—Copolymerisation of aldehydes or ketones
-
- 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
- C08G2/18—Copolymerisation of aldehydes or ketones
- C08G2/22—Copolymerisation of aldehydes or ketones with epoxy compounds
-
- 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
- C08G2/30—Chemical modification by after-treatment
-
- 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
- C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1967B0094875 DE1720311A1 (de) | 1967-10-10 | 1967-10-10 | Verfahren zum Verbessern der thermischen Stabilitaet von Copolymerisaten des Trioxans |
| DE1967B0094873 DE1720309B1 (de) | 1967-10-10 | 1967-10-10 | Verfahren zum thermischen Stabilisieren von Copolymerisaten des Trioxans |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE721864A true BE721864A (de) | 1969-04-04 |
Family
ID=25968378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE721864D BE721864A (de) | 1967-10-10 | 1968-10-04 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3640945A (de) |
| AT (1) | AT284442B (de) |
| BE (1) | BE721864A (de) |
| BR (1) | BR6803008D0 (de) |
| CH (1) | CH500241A (de) |
| FR (1) | FR1596592A (de) |
| GB (1) | GB1234056A (de) |
| NL (1) | NL6814466A (de) |
| SE (1) | SE363341B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1076228B (it) * | 1977-01-17 | 1985-04-27 | Sir Soc Italiana Resine Spa | Procedimento atto a migliorare la stabilita' degli omopolimeri acetalici eterificati |
| JPS54139697A (en) * | 1978-04-21 | 1979-10-30 | Asahi Chem Ind Co Ltd | Preparation of stabilized polyoxymethylene |
| EP0637322A1 (de) * | 1992-04-24 | 1995-02-08 | Hoechst Aktiengesellschaft | Verfahren zur herstellung von thermisch bestaendigen polyoxymethylencopolymeren sowie ihre verwendung |
-
1968
- 1968-10-01 US US764335A patent/US3640945A/en not_active Expired - Lifetime
- 1968-10-02 SE SE13318/68A patent/SE363341B/xx unknown
- 1968-10-03 FR FR168622A patent/FR1596592A/fr not_active Expired
- 1968-10-04 BE BE721864D patent/BE721864A/xx unknown
- 1968-10-08 CH CH1498968A patent/CH500241A/de not_active IP Right Cessation
- 1968-10-09 GB GB1234056D patent/GB1234056A/en not_active Expired
- 1968-10-09 NL NL6814466A patent/NL6814466A/xx unknown
- 1968-10-10 BR BR203008/68A patent/BR6803008D0/pt unknown
- 1968-10-10 AT AT988968A patent/AT284442B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR6803008D0 (pt) | 1973-01-11 |
| FR1596592A (de) | 1970-06-22 |
| AT284442B (de) | 1970-09-10 |
| NL6814466A (de) | 1969-04-14 |
| SE363341B (de) | 1974-01-14 |
| US3640945A (en) | 1972-02-08 |
| GB1234056A (de) | 1971-06-03 |
| CH500241A (de) | 1970-12-15 |