POLYFUEL, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0279,198 COMPOSITE POLYMER ELECTROLYTE MEMBRANESAbandonedFeb 14, 08Nov 04, 10[H01M]
2009/0162,724 ION CONDUCTING COPOLYMERS WITH ELASTOMERIC AND POLYARYLENE SEGMENTSAbandonedDec 18, 08Jun 25, 09[H01M, B01J]
7534515 Acid-base proton conducting polymer blend membraneExpiredJan 23, 03May 19, 09[H01M]
2008/0286,626 BIS(ARYL)SULFONIMIDE FUNCTIONALIZED ION CONDUCTING POLYMERSAbandonedMay 19, 08Nov 20, 08[H01M, B01J]
2008/0286,629 CHEMICALLY CROSS LINKED IONOMER MEMBRANEAbandonedMay 19, 08Nov 20, 08[C08J, H01M]
2008/0081,227 Gas Phase Fuel CellsAbandonedMay 07, 07Apr 03, 08[H01M]
2008/0020,254 POLYMER ELECTROLYTE MEMBRANE HAVING IMPROVED DIMENSIONAL STABILITYAbandonedJul 24, 07Jan 24, 08[H01M]
7316855 Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic deviceExpiredDec 03, 02Jan 08, 08[H01M]
2006/0280,981 Polymer electrolyte membrane having an improved dimensional stabilityAbandonedJun 02, 06Dec 14, 06[C08J, H01M]
2006/0280,986 End capped ion-conductive polymersAbandonedMay 30, 06Dec 14, 06[C08J, H01M]
2006/0280,988 Cross-linked ion-conductive copolymerAbandonedJun 01, 06Dec 14, 06[C08J, H01M]
2006/0280,989 Ion-conducting polymers containing pendant ion conducting groupsAbandonedJun 01, 06Dec 14, 06[C08J, H01M]
2006/0280,990 Polymer blend comprising ion-conducting copolymer and non-ionic polymerAbandonedJun 01, 06Dec 14, 06[C08J, H01M]
2006/0135,657 Ion conductive block copolymersAbandonedFeb 07, 06Jun 22, 06[C08L]
7052805 Polymer electrolyte having acidic, basic and elastomeric subunitsExpiredJun 01, 01May 30, 06[H01M]
2006/0110,631 Catalyst ink, process for making catalyst ink and for preparing catalyst coated membranesAbandonedFeb 18, 05May 25, 06[H01M]
7005206 Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic deviceExpiredMay 31, 02Feb 28, 06[H01M]
6911411 Catalyst agglomerates for membrane electrode assembliesExpiredNov 21, 02Jun 28, 05[B01J]
2004/0175,598 Fuel cell power supply for portable computing device and method for fuel cell power controlAbandonedDec 02, 03Sep 09, 04[H01M, G06F]
2004/0146,769 Fuel cell cartridge for portable electronic deviceAbandonedDec 01, 03Jul 29, 04[H01M]

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