Novel epoxy resins
US5019639A · kind A · utility
6Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1990 |
| Grant date | May 28, 1991 |
| Priority date | — |
| Expiry date | Apr 2, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G59/686
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Advanced epoxy resins are disclosed which can be obtained by reacting liquid or semi-solid aromatic opoxy resins with aliphatic diols, and subsequently reacting the reaction product with mono- or binuclear bisphenols in the presence of a cyclic quaternary ammonium salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.