Assignee
WHATMAN INC
US·34 granted patents·8 pending applications·1,539 citations·filing 1978–2008
Top patents by PatentIndex Score
42 records- 0196US6071406AHydrophilic polymeric phase inversion membraneWHATMAN INC·Filed 1997·Granted Jun 6, 2000·239 cites·11 claims
- 0295US6958392B2Methods for the isolation of nucleic acids and for quantitative DNA extraction and detection for leukocyte evaluation in blood productsWHATMAN INC·Filed 2001·Granted Oct 25, 2005·158 cites·63 claims
- 0394US7867780B2Lateral flow format, materials and methodsWHATMAN INC·Filed 2005·Granted Jan 11, 2011·34 cites·59 claims
- 0490US6869769B2Methods and materials for detecting genetic materialWHATMAN INC·Filed 2002·Granted Mar 22, 2005·22 cites·48 claims
- 0590US6645717B1Solid medium and process for the storage and rapid purification of nucleic acidWHATMAN INC·Filed 2000·Granted Nov 11, 2003·52 cites·15 claims
- 0689US6746841B1FTA- coated media for use as a molecular diagnostic toolWHATMAN INC·Filed 2000·Granted Jun 8, 2004·42 cites·13 claims
- 0789US6670128B2Transfusion medicine leukodepletion filter devices as a source of genetic material for genotyping studiesWHATMAN INC·Filed 2001·Granted Dec 30, 2003·31 cites·34 claims
- 0889US5368729ASolid phase extraction deviceWHATMAN INC·Filed 1993·Granted Nov 29, 1994·99 cites·4 claims
- 0988US7748283B2Controlled transfer biological sample collection devices and methods of using such devicesWHATMAN INC·Filed 2007·Granted Jul 6, 2010·12 cites·31 claims
- 1087US6750059B1Archiving of vectorsWHATMAN INC·Filed 1999·Granted Jun 15, 2004·139 cites·20 claims
- 1187US5800597AIntegral coalescer filter-membrane device to provide a filtered gas stream and system employing such deviceWHATMAN INC·Filed 1997·Granted Sep 1, 1998·110 cites·15 claims
- 1287US4313906ATwo dimensional two phase thin layer chromatography plate and methodWHATMAN INC·Filed 1979·Granted Feb 2, 1982·57 cites·2 claims
- 1383US5840172ADirect current hydrogen generator, system and methodWHATMAN INC·Filed 1997·Granted Nov 24, 1998·62 cites·10 claims
- 1482US6103119AFilter cartridges having track etched membranes and methods of making sameWHATMAN INC·Filed 1999·Granted Aug 15, 2000·59 cites·31 claims
- 1581US6627226B2Dry solid medium for storage and analysis of genetic materialWHATMAN INC·Filed 2001·Granted Sep 30, 2003·45 cites·21 claims
- 1680US4175037AProcess for packing chromatographic columnsWHATMAN INC·Filed 1978·Granted Nov 20, 1979·49 cites·33 claims
- 1778US6972329B2Materials and methods for releasing genetic materialWHATMAN INC·Filed 2002·Granted Dec 6, 2005·5 cites·51 claims
- 1878US6881543B2Sampling and storage system for genetic material from tissueWHATMAN INC·Filed 2001·Granted Apr 19, 2005·9 cites·33 claims
- 1977US7628917B2Porous composite membrane and method for making the sameWHATMAN INC·Filed 2003·Granted Dec 8, 2009·33 cites·29 claims
- 2077US5849249ASolid phase extraction apparatus for enhanced recovery and precisionWHATMAN INC·Filed 1997·Granted Dec 15, 1998·54 cites·6 claims
- 2170US7504363B2Methods using four-layer filter for PCR sample preparationWHATMAN INC·Filed 2004·Granted Mar 17, 2009·1 cites·17 claims
- 2270US7498133B2FTA-coated media for use as a molecular diagnostic toolWHATMAN INC·Filed 2003·Granted Mar 3, 2009·9 cites·31 claims
- 2370US5665247AProcess for sealing microplates utilizing a thin polymeric filmWHATMAN INC·Filed 1996·Granted Sep 9, 1997·37 cites·8 claims
- 2469US7833705B2Archiving of vectorsWHATMAN INC·Filed 2003·Granted Nov 16, 2010·1 cites·19 claims
- 2569US7244561B2Inhibiting denaturation of nucleic acid duplexesWHATMAN INC·Filed 2001·Granted Jul 17, 2007·2 cites·23 claims
- 2667US6083297AGas dehydration membrane with low oxygen and nitrogen permeabilityWHATMAN INC·Filed 1997·Granted Jul 4, 2000·33 cites·9 claims
- 2766US6126826APVDF microporous membrane and methodWHATMAN INC·Filed 1997·Granted Oct 3, 2000·37 cites·14 claims
- 2865US7122304B2Methods for the storage and synthesis of nucleic acids using a solid supportWHATMAN INC·Filed 2000·Granted Oct 17, 2006·1 cites·17 claims
- 2965US5965015AOil-water separator system with oleophobic fibrous filterWHATMAN INC·Filed 1998·Granted Oct 12, 1999·29 cites·13 claims
- 3063US7501500B2Inhibiting denaturation of nucleic acid duplexesWHATMAN INC·Filed 2007·Granted Mar 10, 2009·0 cites·18 claims
- 3159US5853586AThin pliable polymeric film for sealing microplatesWHATMAN INC·Filed 1997·Granted Dec 29, 1998·23 cites·4 claims
- 3259US2005191619A1DNA purification and recovery from high particulate and solids samplesWHATMAN INC·Filed 2004·Application pending·0 cites
- 3358US2009043087A1DNA purification and recovery from high particulate and solids samplesWHATMAN INC·Filed 2008·Application pending·0 cites
- 3457US6124012ASolid phase extraction disk and apparatus for enhanced recovery and precisionWHATMAN INC·Filed 1998·Granted Sep 26, 2000·17 cites·4 claims
- 3556US5853884AMethod for producing unsupported fiber bundles for HME and other filtration applicationsWHATMAN INC·Filed 1997·Granted Dec 29, 1998·21 cites·15 claims
- 3653US2003091989A1DNA purification and recovery from high particulate and solids samplesWHATMAN INC·Filed 2002·Application pending·0 cites
- 3752US6066264AMethod of oil-water separationWHATMAN INC·Filed 1999·Granted May 23, 2000·17 cites·14 claims
- 3852US2004014068A1Solid medium and method for DNA storageWHATMAN INC·Filed 2002·Application pending·0 cites
- 3951US2005282180A1Solid medium and method for DNA storageWHATMAN INC·Filed 2004·Application pending·0 cites
- 4049US2006094015A1Methods and materials for using chemical compounds as a tool for nucleic acid storage on media of nucleic acid purification systemsWHATMAN INC·Filed 2003·Application pending·0 cites
- 4146US2010147763A1Modified porous membranes, methods of membrane pore modification, and methods of use thereofWHATMAN INC·Filed 2008·Application pending·0 cites
- 4244US2006182657A1Devices and methods for handling and processing punchesWHATMAN INC·Filed 2006·Application pending·0 cites
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