Epoxy resin compositions containing a polyphosphoric/polyphosphonic anhydride curing agent
US4952646A · kind A · utility
6Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1989 |
| Grant date | Aug 28, 1990 |
| Priority date | — |
| Expiry date | Jul 20, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/4071
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Epoxy resins can be cured by the use of a curing agent formed by the reaction of phosphorus pentoxide with a trialkyl phosphate or phosphonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.