Unsaturated polyester with polyimide-ammonia prepolymers as thermosetting laminate
US4004959A · kind A · utility
1Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1975 |
| Grant date | Jan 25, 1977 |
| Priority date | — |
| Expiry date | Feb 13, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31721
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Thermosetting compositions are provided which are particularly suitable for use in the form of solutions, in making laminates. The compositions comprise (a) a prepolymer possessing imide groups derived from a polyimide and ammonia and (b) an unsaturated polyester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.