FR1569875A - - Google Patents
Info
- Publication number
- FR1569875A FR1569875A FR147834A FR147834A FR1569875A FR 1569875 A FR1569875 A FR 1569875A FR 147834 A FR147834 A FR 147834A FR 147834 A FR147834 A FR 147834A FR 1569875 A FR1569875 A FR 1569875A
- 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
- C08G73/20—Pyrrones
-
- 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
- C08G73/1028—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous
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 |
---|---|---|---|
JP2262367 | 1967-04-11 | ||
JP2404567 | 1967-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1569875A true FR1569875A (enrdf_load_stackoverflow) | 1969-04-28 |
Family
ID=26359880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR147834A Expired FR1569875A (enrdf_load_stackoverflow) | 1967-04-11 | 1968-04-11 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1770185C3 (enrdf_load_stackoverflow) |
FR (1) | FR1569875A (enrdf_load_stackoverflow) |
GB (1) | GB1229591A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2456754A1 (fr) * | 1979-05-17 | 1980-12-12 | Nitto Electric Ind Co | Procede pour preparer une membrane a permeabilite selective en polyimide polymere et membranes preparees selon ce procede |
EP0053927A1 (en) * | 1980-12-05 | 1982-06-16 | E.I. Du Pont De Nemours And Company | Polyimide manufacture |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS527039B2 (enrdf_load_stackoverflow) * | 1972-04-04 | 1977-02-26 | ||
JPS5850656B2 (ja) * | 1980-04-10 | 1983-11-11 | 財団法人生産開発科学研究所 | 両性ポリアミド樹脂 |
WO2017069165A1 (ja) * | 2015-10-19 | 2017-04-27 | 宇部興産株式会社 | ポリイミド前駆体、架橋構造を有するポリイミドおよびその製造方法 |
-
1968
- 1968-04-10 GB GB1229591D patent/GB1229591A/en not_active Expired
- 1968-04-11 DE DE19681770185 patent/DE1770185C3/de not_active Expired
- 1968-04-11 FR FR147834A patent/FR1569875A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2456754A1 (fr) * | 1979-05-17 | 1980-12-12 | Nitto Electric Ind Co | Procede pour preparer une membrane a permeabilite selective en polyimide polymere et membranes preparees selon ce procede |
EP0053927A1 (en) * | 1980-12-05 | 1982-06-16 | E.I. Du Pont De Nemours And Company | Polyimide manufacture |
Also Published As
Publication number | Publication date |
---|---|
DE1770185C3 (de) | 1973-10-18 |
DE1770185B2 (de) | 1973-03-29 |
GB1229591A (enrdf_load_stackoverflow) | 1971-04-28 |
DE1770185A1 (de) | 1970-04-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |