Separator and sealed lead acid battery
Patent 5206100 Issued on April 27, 1993. Estimated Expiration Date: 
July 15, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 15, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3085887 Glass fiber separator for storage batteries Separator for starved electrolyte lead/acid battery High iron glass composition Glass fibre-based paper Patent #: 4911789 InventorsAssigneeApplicationNo. 731148 filed on 07/15/1991US Classes:429/247, Separator, retainer, spacer or materials for use therewith501/35FibersExaminersPrimary: Kalafut, StephenAttorney, Agent or FirmForeign Patent References
International ClassH01M 002/16Foreign Application Priority Data1990-08-24 JPAbstractA separator substantially comprising only alkali-containing glass fibers with an average fiber diameter of less than 2 μm, and having an electrolyte dripping speed of lower than 80 mm/hr and a content of sulfer S at the surface of the glass fibers of less than 0.02% by weight, as well as a sealed lead acid battery using such a separator. |
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