Epoxy resin and the process for its production
US4448948A · kind A · utility
17Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1983 |
| Grant date | May 15, 1984 |
| Priority date | — |
| Expiry date | Jan 14, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/302
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An epoxy resin substantially represented by the general formula ##STR1## where Ar.sup.1 is a residual group of a dihydric phenol derived from a compound having one or two benzene nuclei, Ar.sup.2 is residual group of a halogen-substituted benzenoid compound having two halogen atoms on its nuclei and represented by the formula --Ar.sup.3 --Y--Ar.sup.4 -- where each of Ar.sup.3 and Ar.sup.4 is a hydrocarbon group having a divalent benzene nucleus and Y is a sulfone group or a carbonyl group, and n is an integer of from 1 to 50.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.