Composite materials
US4985297A · kind A · utility
8Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1989 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Apr 28, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2861
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A laminate consisting essentially of a metal film or sheet and a film or sheet of a fluorine-containing polyimide (1), a composite sheet consisting essentially of a fluorohydrocarbon polymer substrate impregnated with a fluorine-containing polyimide (2), and a laminate consisting essentially of a metal film or sheet and the above composite sheet, the polyimide (1) and (2) being defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.