COVALENT ASSOCIATES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5827602 Hydrophobic ionic liquidsSep 17, 97Oct 27, 98[C25B, H01M, H01G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7253289 One-step process for the preparation of halide-free hydrophobic saltsExpiredJan 22, 02Aug 07, 07[C07D]
6531241 Cyclic delocalized cations connected by spacer groupsExpiredJul 07, 00Mar 11, 03[H01M, H01G]
2002/0110,739 Non-flammable electrolytesAbandonedMay 25, 01Aug 15, 02[H01M]
5994000 Asymmetric organic alkyl methyl carbonates for non-aqueous power sourcesExpiredDec 31, 97Nov 30, 99[H01M, H01G]
5986879 Asymmetric organic alkyl ethyl carbonates for non-aqueous power sourcesExpiredDec 31, 97Nov 16, 99[H01G]
5973913 Nonaqueous electrical storage deviceExpiredAug 12, 97Oct 26, 99[H01G]
5962166 Ultrahigh voltage mixed valence materialsExpiredMay 08, 98Oct 05, 99[H01M]
5273840 Methide salts, formulations, electrolytes and batteries formed therefromExpiredJul 12, 91Dec 28, 93[H01M]

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