Curing agents and process for their manufacture
US8461275B2 · kind B2 · utility
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5References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 2009 |
| Grant date | Jun 11, 2013 |
| Priority date | — |
| Expiry date | Jul 5, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/504
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compounds having the formula (I) wherein L is a linking group, at least one of R1 to R10 comprises the group C≡N, at least one of R1 to R5 and at least one of R6 to R10 comprise the group NH2 for use as curing agents in an epoxy resin, together with a process for their synthesis and composites comprising the curing agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.