Public Health Laboratory Service Board

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6080547 Detection and speciation of CampylobacterExpiredJul 30, 99Jun 27, 00[C07H, C12Q, C12P]
6001565 Methods, primers, and kits for detection and speciation of CampylobacterExpiredFeb 29, 96Dec 14, 99[C07H, C12Q, C12P]
5772996 Pharmaceutical compositions containing superoxide dismutase from Bacillus Stearothermophilus and Bacillus CaldotenaxExpiredMay 22, 95Jun 30, 98[A61K, C12N]
5354676 Recombinant modified thermostable NAD-dependent dehydrogenases and process for their productionExpiredOct 24, 91Oct 11, 94[C12N]
5160616 Filtering apparatusExpiredAug 12, 91Nov 03, 92[B07B]
5160976 Optical determination of velocity using crossed interference fringe patternsExpiredJul 09, 91Nov 03, 92[G01B]
5002877 Production of plasminogen activator from cells to which lectin is added to the culture mediumExpiredFeb 22, 90Mar 26, 91[C12P]
5003267 Measuring electrical impedance of low conductivity samples to monitor microbial growthExpiredDec 22, 89Mar 26, 91[G01N]
4995960 Electrochemical electrodesExpiredSep 25, 89Feb 26, 91[G01N]
4927268 Optical analysisExpiredJul 05, 88May 22, 90[G01N]
4904394 Method for selective filtering of a fluid using porous piezoelectric materialExpiredApr 01, 87Feb 27, 90[B01D]
4876504 Apparatus for investigating the condition of a bacteria containing suspension through frequency profile of electrical admittanceExpiredNov 09, 88Oct 24, 89[G01N, A61B, G01R]
4848139 Determining amount of biological materialExpiredFeb 01, 88Jul 18, 89[G01N]
4810963 Method for investigating the condition of a bacterial suspension through frequency profile of electrical admittanceExpiredJan 31, 86Mar 07, 89[G01N, A61B, G01R]
4796468 Apparatus for measuring fluid densityExpiredMar 05, 87Jan 10, 89[G01N]
4663285 Chimeric plasmidsExpiredDec 06, 83May 05, 87[C12P, C12N]
4546161 Media for affinity chromatographyExpiredOct 26, 83Oct 08, 85[C08B]
4431544 High pressure liquid affinity chromatographyExpiredApr 26, 82Feb 14, 84[B01D]
4431546 Affinity chromatography using metal ionsExpiredApr 26, 82Feb 14, 84[B01D]
4385120 Thermostable glycerokinases and process for its productionExpiredJul 16, 81May 24, 83[C12R, C12N]

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