MHB Joint Venture

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4990413 Composite solid electrolytes and electrochemical devices employing the sameExpiredJan 18, 89Feb 05, 91[H01M]
4935317 Method for producing solid state electrochemical laminar cell utilizing cathode rolling stepExpiredJun 21, 89Jun 19, 90[H01M]
4879190 Electrochemical cellExpiredAug 30, 88Nov 07, 89[H01M]
4830939 Radiation cured solid electrolytes and electrochemical devices employing the sameExpiredMar 25, 88May 16, 89[H01M]
4808496 Electrode construction for solid state electrochemical cellExpiredMar 13, 87Feb 28, 89[H01M]
4792504 Liquid containing polymer networks as solid electrolytesExpiredSep 18, 87Dec 20, 88[H01M]
4720910 Method for preparing encapsulated cathode materialExpiredJun 16, 87Jan 26, 88[H01M]
4638407 Solid state electrochemical deviceExpiredMay 20, 85Jan 20, 87[H01G]
4576883 Cathode composition and method for solid state lithium batteryExpiredMay 02, 85Mar 18, 86[H01M]

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