Hydrolyzing epoxy resins in absence of solvent and in presence of oxalic acid and a phosphonium compound
US4404335A · kind A · utility
13Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 16, 1982 |
| Grant date | Sep 13, 1983 |
| Priority date | — |
| Expiry date | Aug 16, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/1427
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Epoxy resins are hydrolyzed in the absence of substantial quantities of an organic solvent and in the presence of oxalic acid and a phosphonium compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.