Powdered epoxy composition
US6899917B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2001 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Dec 29, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L63/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides for a powdered epoxy composition particularly well suited for coating electrical windings. The composition comprises (a) from about 30 to 40 wt % of at least one crystalline epoxy; (b) from about 10 to 40 wt % of at least one phenolic resole resin; and (c) from about 1 to 40 wt % of at least one multifunctional branched hindered phenol, wherein all weight percentages are based on the total weight of said composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.