Precatalyzed catalyst compositions, process for preparing epoxy resins curable compositions, articles resulting from curing the resultant compositions
US5202407A · kind A · utility
7Cited by
33References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1992 |
| Grant date | Apr 13, 1993 |
| Priority date | — |
| Expiry date | Jan 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/688
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The reaction between epoxy compounds and active hydrogen-containing compounds or anhydrides is catalyzed with a phosphine or phosphonium compound containing at least three C.sub.1 to C.sub.4 alkyl phenyl groups attached to the phosphorus atom per molecule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.