Microporous membrane, methods for making such film, and the use of such film as battery separator film
US8815436B2 · kind B2 · utility
0Cited by
9References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2009 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | Jul 9, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2261/3424
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Embodiments of the present invention generally relate to microporous membrane, methods for making microporous membrane, and the use of microporous membrane as battery separator film. More particularly, the invention relates to a microporous polymeric membrane including a paraxylylene polymer or copolymer, particularly in combination with a polymeric microporous membrane. The paraxylylene polymer or copolymer can be formed on or laminated to the microporous polymeric membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.