Flexible composite sheet for electric insulation
US5356691A · kind A · utility
5Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1992 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Sep 30, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24917
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An electric insulation composite sheet excelled in flexibility as well as heat resistance, crack resistance, anti-hygroscopicity and insulation property comprising as essential components epoxy compound 150-300 g/eq in epoxy equivalent, hardener consisting essentially of polycarboxylic acid polyanhydride represented by the following general formula [1] ##STR1## and a reinforcing fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.