POLYSTOR CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 4150

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6426165 Electrochemical cell separators with high crystallinity bindersDec 20, 00Jul 30, 02[H01M]
6379842 Mixed lithium manganese oxide and lithium nickel cobalt oxide positive electrodesOct 06, 99Apr 30, 02[H01M]
5783333 Lithium nickel cobalt oxides for positive electrodesNov 27, 96Jul 21, 98[H01M]
5609972 Cell cap assembly having frangible tab disconnect mechanismMar 04, 96Mar 11, 97[H01M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0031,926 Tab surface treatments for polymer-metal laminate electrochemical cell packagesAbandonedJun 13, 02Feb 13, 03[H01M]
2002/0110,732 Battery cell fabrication processAbandonedDec 20, 00Aug 15, 02[B05D, H01M]
6159631 Overcharge safety vents on prismatic cellsExpiredAug 27, 98Dec 12, 00[H01M]
6007947 Mixed lithium manganese oxide and lithium nickel cobalt oxide positive electrodesExpiredJun 17, 98Dec 28, 99[H01M]
5898294 Control loop for pulse charging lithium ion cellsExpiredAug 19, 97Apr 27, 99[H02J]
5741606 Overcharge protection battery ventExpiredJul 31, 95Apr 21, 98[H01M]
5558954 Preparation of carbon electrodes by polymer-precipitationExpiredOct 13, 94Sep 24, 96[H01M]

Top Inventors for This Owner

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