BE714069A - - Google Patents
Info
- Publication number
- BE714069A BE714069A BE714069DA BE714069A BE 714069 A BE714069 A BE 714069A BE 714069D A BE714069D A BE 714069DA BE 714069 A BE714069 A BE 714069A
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1057—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR103924A FR1529727A (fr) | 1967-04-24 | 1967-04-24 | Nouveaux polypyromellimides phosphorés |
| FR136554A FR93795E (fr) | 1967-04-24 | 1968-01-18 | Nouveaux polypyromellimides phosphorés. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE714069A true BE714069A (OSRAM) | 1968-10-23 |
Family
ID=26175872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE714069D BE714069A (OSRAM) | 1967-04-24 | 1968-04-23 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE714069A (OSRAM) |
| CH (1) | CH482759A (OSRAM) |
| DE (1) | DE1770253A1 (OSRAM) |
| FR (1) | FR93795E (OSRAM) |
| GB (1) | GB1205833A (OSRAM) |
| NL (1) | NL6805337A (OSRAM) |
-
1968
- 1968-01-18 FR FR136554A patent/FR93795E/fr not_active Expired
- 1968-04-16 NL NL6805337A patent/NL6805337A/xx unknown
- 1968-04-23 GB GB1918968A patent/GB1205833A/en not_active Expired
- 1968-04-23 CH CH596668A patent/CH482759A/fr not_active IP Right Cessation
- 1968-04-23 BE BE714069D patent/BE714069A/xx unknown
- 1968-04-24 DE DE19681770253 patent/DE1770253A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR93795E (fr) | 1969-05-16 |
| GB1205833A (en) | 1970-09-16 |
| CH482759A (fr) | 1969-12-15 |
| DE1770253A1 (de) | 1971-10-07 |
| NL6805337A (OSRAM) | 1968-10-25 |