CooperBiomedical, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4688017 Optical detector circuit for photometric instrumentExpiredMay 20, 86Aug 18, 87[H03M]
4673633 Method of determining cystic fibrosis ciliostatic factorExpiredJun 28, 84Jun 16, 87[G01N]
4617262 Assaying for circulating immune complexes with labeled protein AExpiredJul 22, 83Oct 14, 86[G01N]
4505756 Alpha-amylase assay and substrates for use thereinExpiredSep 01, 81Mar 19, 85[C12Q, C12P, C13F]
4394445 Enzymatic glyceride hydrolysisExpiredDec 15, 81Jul 19, 83[C12Q]
4321397 4-Aminoantipyrine dye for the analytic determination of hydrogen peroxideExpiredFeb 20, 80Mar 23, 82[C07D]
4304854 Alpha-amylase assay and substrates for use thereinExpiredJul 01, 80Dec 08, 81[C12Q, C12P]
4247631 Reagent and method for the analytic determination of hydrogen peroxideExpiredJan 31, 79Jan 27, 81[C12Q]

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