Sorapec S.A.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5344723 Bipolar electrode for batteriesExpiredMar 24, 93Sep 06, 94[H01M]
5334465 Method of making cadmium electrodes for alkaline batteriesExpiredAug 30, 93Aug 02, 94[H01M]
5264309 Cadmium electrodes for alkaline batteriesExpiredJan 07, 92Nov 23, 93[H01M]
5244758 Positive nickel electrodeExpiredDec 12, 91Sep 14, 93[H01M]
5229228 Current collector/support for a lead/lead oxide batteryExpiredMay 24, 91Jul 20, 93[H01M]
5146958 Method and apparatus for pasting a porous plateExpiredNov 15, 90Sep 15, 92[H01M]

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