Polyarylether sulfones useful for molding into a circuit board substrate
US4814419A · kind A · utility
4Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1988 |
| Grant date | Mar 21, 1989 |
| Priority date | — |
| Expiry date | Jun 20, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/23
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described herein are circuit board substrates prepared from certain poly(aryl ethers) based on 4,4'-dichlorodiphenyl sulfone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.