Novel poly(aryl ethers) useful for molding into a circuit board substrate
US4939199A · kind A · utility
1Cited by
6References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1988 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Dec 19, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K1/0333
- 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.