Polyester resin composition
US11098157B2 · kind B2 · utility
0Cited by
7References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2017 |
| Grant date | Aug 24, 2021 |
| Priority date | — |
| Expiry date | Feb 16, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/3009
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyester resin composition comprising a crystalline wholly aromatic polyester which is a polycondensate of an aromatic dicarboxylic acid and an aromatic diol, and a filler, wherein wherein content of a residue of 4,4′-dicarboxy diphenyl ether (corresponding to the structural units represented by chemical formula (1)) and a residue of 4,4′-dihydroxy benzophenone (corresponding to the structural units represented by chemical formula (4)) is at least 80 mol % in the entire structural units of the crystalline wholly aromatic polyester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.