BE723664A - - Google Patents
Info
- Publication number
- BE723664A BE723664A BE723664DA BE723664A BE 723664 A BE723664 A BE 723664A BE 723664D A BE723664D A BE 723664DA BE 723664 A BE723664 A BE 723664A
- Authority
- BE
- Belgium
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/307—Other macromolecular compounds
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- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/341—Dicarboxylic acids, esters of polycarboxylic acids containing two carboxylic acid groups
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- 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
- C08G73/1035—Preparatory processes from tetracarboxylic acids or derivatives and diisocyanates
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK0063875 | 1967-11-11 | ||
| DE19671745053 DE1745053A1 (de) | 1967-11-11 | 1967-11-11 | Verfahren zur Herstellung von geformten Gebilden aus Polymeren mit cyclischen Imideinheiten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE723664A true BE723664A (xx) | 1969-05-08 |
Family
ID=25754957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE723664D BE723664A (xx) | 1967-11-11 | 1968-11-08 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE723664A (xx) |
| DE (1) | DE1745053A1 (xx) |
| FR (1) | FR1591043A (xx) |
| GB (1) | GB1251507A (xx) |
| NL (1) | NL6815619A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2535335C2 (de) * | 1975-08-07 | 1986-05-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Imid-Gruppen enthaltenden Polykondensaten |
| DE2654112C2 (de) * | 1976-11-29 | 1984-10-04 | Bayer Ag, 5090 Leverkusen | Polykondensate |
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1967
- 1967-11-11 DE DE19671745053 patent/DE1745053A1/de active Pending
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1968
- 1968-11-01 NL NL6815619A patent/NL6815619A/xx unknown
- 1968-11-08 GB GB1251507D patent/GB1251507A/en not_active Expired
- 1968-11-08 BE BE723664D patent/BE723664A/xx unknown
- 1968-11-12 FR FR1591043D patent/FR1591043A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1591043A (xx) | 1970-04-20 |
| GB1251507A (xx) | 1971-10-27 |
| DE1745053A1 (de) | 1971-07-29 |
| NL6815619A (xx) | 1969-05-13 |