BE719607A - - Google Patents
Info
- Publication number
- BE719607A BE719607A BE719607DA BE719607A BE 719607 A BE719607 A BE 719607A BE 719607D A BE719607D A BE 719607DA BE 719607 A BE719607 A BE 719607A
- 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
- C08G73/1003—Preparatory processes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Reinforced Plastic Materials (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3822067A GB1214642A (en) | 1967-08-18 | 1967-08-18 | Aromatic polyimides and precursors therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE719607A true BE719607A (en) | 1969-02-17 |
Family
ID=10402045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE719607D BE719607A (en) | 1967-08-18 | 1968-08-16 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE719607A (en) |
| DE (1) | DE1795136A1 (en) |
| FR (1) | FR1576319A (en) |
| GB (1) | GB1214642A (en) |
| NL (1) | NL6811747A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5003078A (en) * | 1989-05-16 | 1991-03-26 | The United States Of America As Represented By The Secretary Of The Navy | Synthesis of phthalonitrile resins containing ether and imide linkages |
| US5159054A (en) * | 1989-05-16 | 1992-10-27 | The United States Of America As Represented By The Secretary Of The Navy | Synthesis of phthalonitrile resins containing ether and imide linkages |
| US5132396A (en) * | 1990-04-30 | 1992-07-21 | The United States Of America As Represented By The Secretary Of The Navy | Phthalonitrile monomers containing imide and/or phenoxy linkages, and polymers thereof |
| CN113510891B (en) * | 2021-04-23 | 2022-09-27 | 中国科学院兰州化学物理研究所 | Two-stage hole polyimide material, preparation method thereof, two-stage hole polyimide retainer and application thereof |
-
1967
- 1967-08-18 GB GB3822067A patent/GB1214642A/en not_active Expired
-
1968
- 1968-08-16 NL NL6811747A patent/NL6811747A/xx unknown
- 1968-08-16 FR FR1576319D patent/FR1576319A/fr not_active Expired
- 1968-08-16 DE DE19681795136 patent/DE1795136A1/en active Pending
- 1968-08-16 BE BE719607D patent/BE719607A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1795136A1 (en) | 1970-12-10 |
| FR1576319A (en) | 1969-06-16 |
| GB1214642A (en) | 1970-12-02 |
| NL6811747A (en) | 1969-02-20 |