Amine-terminated hyperbranched quinoxaline-amide polymers
US6642347B1 · kind B1 · utility
21Cited by
4References
2Claims
0Family size
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Key dates
| Filing date | Feb 27, 2002 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Feb 27, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/0694
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Amine-terminated hyperbranched quinoxaline-amide polymers having repeating units of the formula: are useful to initiate bismaleimide polymerization and to increase the toughness of thermosets such as BMI and epoxies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.