Quinoxaline-containing AB2 monomers for hyperbranched aromatic polyamides
US6552195B1 · kind B1 · utility
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2Claims
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Key dates
| Filing date | Feb 27, 2002 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Feb 27, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/26
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
AB2 monomers of the formula wherein Q is Polymerization of these monomers results in hyperbranched aromatic polyamides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.