FR2295978B1 - - Google Patents
Info
- Publication number
- FR2295978B1 FR2295978B1 FR7442536A FR7442536A FR2295978B1 FR 2295978 B1 FR2295978 B1 FR 2295978B1 FR 7442536 A FR7442536 A FR 7442536A FR 7442536 A FR7442536 A FR 7442536A FR 2295978 B1 FR2295978 B1 FR 2295978B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
- C08G73/1021—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the catalyst used
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7442536A FR2295978A1 (fr) | 1974-12-23 | 1974-12-23 | Procede de preparation de polyimides et polymeres ainsi obtenus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7442536A FR2295978A1 (fr) | 1974-12-23 | 1974-12-23 | Procede de preparation de polyimides et polymeres ainsi obtenus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2295978A1 FR2295978A1 (fr) | 1976-07-23 |
| FR2295978B1 true FR2295978B1 (es) | 1977-05-20 |
Family
ID=9146523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7442536A Granted FR2295978A1 (fr) | 1974-12-23 | 1974-12-23 | Procede de preparation de polyimides et polymeres ainsi obtenus |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2295978A1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE179435T1 (de) * | 1992-12-25 | 1999-05-15 | Hiroshi Itatani | Polyamid-lösungszusammensetzungen und verfahren zur herstellung |
| US5502143A (en) * | 1992-12-25 | 1996-03-26 | Pi Material Research Laboratory | Process for preparing polyimide resins |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1532381A (fr) * | 1967-05-05 | 1968-07-12 | Gen Electric | Solutions de polyamides et procédés pour les préparer et les utiliser |
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1974
- 1974-12-23 FR FR7442536A patent/FR2295978A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2295978A1 (fr) | 1976-07-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |