Assignee
ALLTECH ASSOCIATES INC
US·21 granted patents·6 pending applications·624 citations·filing 1984–2015
Top patents by PatentIndex Score
27 records- 0193US5759405AApparatuses and methods for electrochemically modifying the retention of species on chromatography materialALLTECH ASSOCIATES INC·Filed 1997·Granted Jun 2, 1998·82 cites·23 claims
- 0293US4690437ALow pressure fittingALLTECH ASSOCIATES INC·Filed 1986·Granted Sep 1, 1987·100 cites·6 claims
- 0390US6558551B1Method and system for generating a high purity eluantALLTECH ASSOCIATES INC·Filed 2000·Granted May 6, 2003·24 cites·13 claims
- 0488US6613235B1Method of detecting sample ions by continuous electrochemical regeneration of a stationary phaseALLTECH ASSOCIATES INC·Filed 2000·Granted Sep 2, 2003·20 cites·20 claims
- 0587US6229605B1Evaporative light scattering deviceALLTECH ASSOCIATES INC·Filed 2000·Granted May 8, 2001·41 cites·11 claims
- 0685US9322813B2Methods and apparatus for analyzing samples and collecting sample fractionsALLTECH ASSOCIATES INC·Filed 2012·Granted Apr 26, 2016·4 cites·15 claims
- 0780US6709583B2Continuously regenerated and integrated suppressor and detector for suppressed ion chromatography and methodALLTECH ASSOCIATES INC·Filed 2003·Granted Mar 23, 2004·13 cites·4 claims
- 0877US6998042B2Solid compositions for selective adsorption from complex mixturesALLTECH ASSOCIATES INC·Filed 2004·Granted Feb 14, 2006·11 cites·14 claims
- 0977US5227059AChromatography columnsALLTECH ASSOCIATES INC·Filed 1990·Granted Jul 13, 1993·66 cites·23 claims
- 1075US6758967B1Liquid chromatography apparatus having two stationary phasesALLTECH ASSOCIATES INC·Filed 2003·Granted Jul 6, 2004·13 cites·27 claims
- 1171US5935443AElectrochemically regenerated ion neutralization and concentration devices and systemsALLTECH ASSOCIATES INC·Filed 1997·Granted Aug 10, 1999·32 cites·7 claims
- 1268US7008532B2Chromatographic device having an elongate rod and method of forming and chromatographic deviceALLTECH ASSOCIATES INC·Filed 2002·Granted Mar 7, 2006·10 cites·10 claims
- 1368US6444475B1Ion chromatography apparatus and method for removing gas prior to sample detectionALLTECH ASSOCIATES INC·Filed 1999·Granted Sep 3, 2002·35 cites·4 claims
- 1468US6362880B1Low temperature adaptor for evaporative light detectionALLTECH ASSOCIATES INC·Filed 1997·Granted Mar 26, 2002·31 cites·9 claims
- 1568US4586733AAdapter coupling for liquid chromatography deviceALLTECH ASSOCIATES INC·Filed 1984·Granted May 6, 1986·29 cites·9 claims
- 1667US6468804B1Suppressor for continuous electrochemically suppressed ion chromatography and methodALLTECH ASSOCIATES INC·Filed 1999·Granted Oct 22, 2002·31 cites·39 claims
- 1766US6235197B1Electrochemically regenerated ion neutralization and concentration devices and systemsALLTECH ASSOCIATES INC·Filed 1999·Granted May 22, 2001·26 cites·4 claims
- 1860US6932904B2Chromatographic device and method of forming a chromatographic deviceALLTECH ASSOCIATES INC·Filed 2002·Granted Aug 23, 2005·12 cites·20 claims
- 1960US2016069846A1Methods and Apparatus for Analyzing Samples and Collecting Sample FractionsALLTECH ASSOCIATES INC·Filed 2015·Application pending·0 cites
- 2059US6200477B1Continuously regenerated and integrated suppressor and detector for suppressed ion chromatography and methodALLTECH ASSOCIATES INC·Filed 1998·Granted Mar 13, 2001·16 cites·14 claims
- 2153US7006218B2Low temperature adaptor for evaporative light detectionALLTECH ASSOCIATES INC·Filed 1999·Granted Feb 28, 2006·16 cites·7 claims
- 2252US2015121996A1Automated Sample Injection Apparatus, Multiport Valve, and Methods of Making and Using The SameALLTECH ASSOCIATES INC·Filed 2015·Application pending·0 cites
- 2347US2015268202A1Pump Priming SystemsALLTECH ASSOCIATES INC·Filed 2013·Application pending·0 cites
- 2445US4586732AConnector for liquid chromatography devicesALLTECH ASSOCIATES INC·Filed 1984·Granted May 6, 1986·12 cites·3 claims
- 2544US2002192832A1Suppressor for continuous electrochemically suppressed ion chromatography and methodALLTECH ASSOCIATES INC·Filed 2002·Application pending·0 cites
- 2643US2005100477A1Apparatus and method for removing gas prior to sample detection and/or analysisALLTECH ASSOCIATES INC·Filed 2003·Application pending·0 cites
- 2734US2006049090A1Chromatographic device and method of forming a chromatographic deviceALLTECH ASSOCIATES INC·Filed 2005·Application pending·0 cites
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