BE688028A - - Google Patents
Info
- Publication number
- BE688028A BE688028A BE688028DA BE688028A BE 688028 A BE688028 A BE 688028A BE 688028D A BE688028D A BE 688028DA BE 688028 A BE688028 A BE 688028A
- 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
- C08G73/12—Unsaturated polyimide precursors
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49530665A | 1965-10-12 | 1965-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE688028A true BE688028A (US07582779-20090901-C00044.png) | 1967-04-10 |
Family
ID=23968127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE688028D BE688028A (US07582779-20090901-C00044.png) | 1965-10-12 | 1966-10-10 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3489725A (US07582779-20090901-C00044.png) |
| BE (1) | BE688028A (US07582779-20090901-C00044.png) |
| NL (1) | NL6614346A (US07582779-20090901-C00044.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296208A (en) * | 1980-09-12 | 1981-10-20 | International Harvester Company | Methods of preparing polyimides and polyimide precursors |
| US6476177B2 (en) | 2000-12-21 | 2002-11-05 | E. I. Du Pont De Nemours And Company | Melt-processible, thermoplastic random copolyimides having recoverable crystallinity and associated processes |
| US6469126B1 (en) | 2000-12-21 | 2002-10-22 | E. I. Du Pont De Nmeours And Company | Melt-processible, thermoplastic random copolyimides having recoverable crystallinity and associated processes |
| US6444783B1 (en) | 2000-12-21 | 2002-09-03 | E. I. Du Pont De Nemours And Company | Melt-processible semicrystalline block copolyimides |
| US6476182B1 (en) | 2000-12-21 | 2002-11-05 | E. I. Du Pont De Nemours And Company | Melt-processible, thermoplastic random copolyimides having recoverable crystallinity and associated processes |
| EP1632291B1 (en) | 2003-04-28 | 2009-12-16 | Nissan Chemical Industries, Ltd. | Heterogeneous catalyst and process for producing oxirane compound with the catalyst |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3342774A (en) * | 1964-01-20 | 1967-09-19 | Du Pont | Direct preparation of aromatic polyimides |
-
1965
- 1965-10-12 US US495306A patent/US3489725A/en not_active Expired - Lifetime
-
1966
- 1966-10-10 BE BE688028D patent/BE688028A/xx unknown
- 1966-10-12 NL NL6614346A patent/NL6614346A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6614346A (US07582779-20090901-C00044.png) | 1967-04-13 |
| US3489725A (en) | 1970-01-13 |
