Quinoxaline-containing AB2 monomer for hyperbranched aromatic poly(ether-ketones)
US6979737B1 · kind B1 · utility
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Key dates
| Filing date | Oct 23, 2003 |
| Grant date | Dec 27, 2005 |
| Priority date | — |
| Expiry date | Jul 19, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D241/44
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel AB2 monomer, 2,3-bis(4-phenyloxyphenyl)-6-quinoxaline carboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.