Process for preparing polyepoxides (II)
US4568735A · kind A · utility
10Cited by
9References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 11, 1985 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Jun 11, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/066
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing polyepoxides having a wide molecular weight distribution comprises reacting a liquid polyepoxide and polyhydric phenol in a first step, and reacting the resulting intermediate with additional polyhydric phenol and polyepoxide in one or more additional steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.