Multi-component composite film method for preparing the same
US7470488B2 · kind B2 · utility
86Cited by
9References
6Claims
0Family size
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Key dates
| Filing date | Aug 11, 2001 |
| Grant date | Dec 30, 2008 |
| Priority date | — |
| Expiry date | Mar 27, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a multi-component composite film comprising a) polymer support layer; and b) porous gellable polymer layer which is formed on one side or both sides of the support layer of a), wherein the support film of a) and the gellable polymer layer of b) are unified without the interface, a method for preparing the same, and a polymer electrolyte system applied the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.