Reinforced multilayer separator for lead-acid batteries
US6852444B2 · kind B2 · utility
8Cited by
17References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 20, 2001 |
| Grant date | Feb 8, 2005 |
| Priority date | — |
| Expiry date | Oct 26, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery separator comprising at least one fibrous layer and at least one support layer, wherein the support layer is formed of an acid-resistant material and comprises a plurality of macroscopic openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.