High-temperature resistant electrically insulating coating powder
US4621122A · kind A · utility
12Cited by
7References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1985 |
| Grant date | Nov 4, 1986 |
| Priority date | — |
| Expiry date | Mar 6, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31681
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electrically insulating wire coatings are resistant to prolonged exposure to 200.degree. C. when formed from a powder which, in a preferred composition, is a blend of PA1 (a) epoxy-terminated adduct of hydantoin diepoxide and aromatic dicarboxylic acid imide dissolved in hydantoin diepoxide, PA1 (b) acid-terminated polyester of aromatic dicarboxylic acid and diphenol containing one aromatic ring pendant from a central carbon atom, PA1 (c) bismaleimide, and PA1 (d) fumaric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.