Phenolic resin composition and a battery separator impregnated therewith
US4146686A · kind A · utility
3Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 23, 1978 |
| Grant date | Mar 27, 1979 |
| Priority date | — |
| Expiry date | Jan 23, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention relates to an improved resin composition comprising an admixture of a phenol-aldehyde resole resin and a particular surface active rewetting agent wherein said rewetting agent being a reaction product of a polypropylene glycol and maleic anhydride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.