Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Búsqueda avanzada de patentes | Historial web | Iniciar sesión

Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US398329930 Dic 197428 Sep 1976Purdue Research FoundationBonded carbohydrate stationary phases for chromatography
US398434922 Ago 19745 Oct 1976Societe Rhone-ProgilModified porous bodies
US398705827 Feb 197519 Oct 1976The United States of America as represented by the Secretary of AgriculturePreparation and uses of stable, bound stationary phases
US40050466 Nov 197525 Ene 1977Dow Corning LimitedCatalysts and carriers therefor
US402958328 Feb 197514 Jun 1977Purdue Research FoundationChromatographic supports and methods and apparatus for preparing the same
US404535324 Ene 197530 Ago 1977Toyo Soda Manufacturing Co., Ltd.High-energy radiation induced polymerization on a chromatographic solid support
US411831613 Oct 19763 Oct 1978Calgon CorporationQuaternized siliceous supports for gel permeation chromatography
US41406536 Oct 197720 Feb 1979Toyo Soda Manufacturing Co., Ltd.Solid support for liquid chromatography
US41697903 Feb 19782 Oct 1979South African Inventions Development CorporationSolid surface texture suitable for a stationary phase for chromatography
US419933022 Ene 197922 Abr 1980The Dow Chemical CompanyBonded organo-pellicular packings for chromatographic columns
US420955422 Feb 197924 Jun 1980SCM CorporationPolydentate metal salts used in the process for the deactivation of glass surfaces and capillary columns therewith
US424222731 Jul 197930 Dic 1980The Dow Chemical CompanyChromatographic column packing having a bonded organosiloxane coating
US424375327 Feb 19786 Ene 1981Purdue Research FoundationApparatus for enzyme detection
US432468926 Feb 198013 Abr 1982High carbon content chromatographic packing and method for making same
US454048625 Nov 198310 Sep 1985J. T. Baker Chemical CompanyPolyethylenimine bound chromatographic packing
US455124522 Abr 19855 Nov 1985J. T. Baker Chemical Co.Acylated polyethylenimine bound chromatographic packing
US459145524 Nov 198227 May 1986Pedro B. Macedo
Theodore A. Litovitz
Purification of contaminated liquid
US464897527 Feb 198610 Mar 1987Pedro B. Macedo
Theodore A. Litovitz
Process of using improved silica-based chromatographic supports containing additives
US470572528 Nov 198610 Nov 1987E. I. Du Pont de Nemours and CompanySubstrates with sterically-protected, stable, covalently-bonded organo-silane films
US473731620 May 198612 Abr 1988Pedro B. Macedo
Theodore A. Litovitz
Purification of contaminated liquid
US474337730 Jun 198610 May 1988Shiseido Company Ltd.Packing material for liquid chromatography
US474657228 Nov 198624 May 1988E. I. DuPont de Nemours and CompanyStructures surface modified with bidentate silanes
US475697126 Ago 198612 Jul 1988KSV-Chemicals OySurface treatment agents and polymers comprising substituted phenyl silanes and siloxanes
US482870414 Dic 19879 May 1989Cosmo Oil Company, Ltd.
Iatron Laboratories, Inc.
Thin-layer rod for chromatography
US484715910 Nov 198711 Jul 1989E. I. Du Pont de Nemours and CompanySubstrates coated with organo-silanes that are sterically-protected
US487451821 Dic 198817 Oct 1989E. I. Du Pont de Nemours and CompanyPorous silica microspheres having a silanol enriched surface
US503226619 Jul 198916 Jul 1991E. I. du Pont de Nemours and CompanyPorous silica microspheres having silanol-enriched and silanized surfaces
US505519428 Jul 19898 Oct 1991University of PennsylvaniaSupport for high performance liquid chromatography in a magnetically stabilized fluidized bed
US508759719 Jul 199011 Feb 1992Armada de la Republica de Venezuela
Universidad Central de Venezuela
Carbon dioxide adsorbent and method for producing the adsorbent
US51085958 Mar 199128 Abr 1992E. I. Du Pont de Nemours and CompanyPorous silica microspheres having silanol-enriched and silanized surfaces
US515482226 Feb 199213 Oct 19923i Research Exploitation LimitedBonded chromatographic stationary phase
US524842629 Oct 199228 Sep 1993Dionex CorporationIon chromatography system using electrochemical suppression and detector effluent recycle
US53523601 Jul 19934 Oct 1994Dionex CorporationIon chromatography system using electrochemical suppression and detector effluent recycle
US55186226 Oct 199421 May 1996Dionex CorporationElectrochemical pretreatment system for liquid sample analysis
US55974812 Jun 199528 Ene 1997Dionex CorporationElectrochemical pretreatment system for liquid sample analysis
US563713526 Jun 199510 Jun 1997Capillary Technology CorporationChromatographic stationary phases and adsorbents from hybrid organic-inorganic sol-gels
US566767411 Ene 199616 Sep 1997Minnesota Mining and Manufacturing CompanyAdsorption medium and method of preparing same
US575940515 Ago 19972 Jun 1998Alltech Associates, Inc.Apparatuses and methods for electrochemically modifying the retention of species on chromatography material
US57628036 May 19979 Jun 1998CU Chemie Uetikon AGSilicon dioxide based microspheres for rapid chromatographic separation of biomolecules
US586972420 Jun 19979 Feb 1999Hewlett-Packard CompanyAsymmetric bidentate silanes
US587659521 Mar 19972 Mar 1999Minnesota Mining and Manufacturing CompanyAdsorption medium and method of preparing same
US591526914 Abr 199822 Jun 1999The Perkin-Elmer CorporationMethod and apparatus to compensate for gas chromatograph column permeability
US593544314 Mar 199710 Ago 1999Alltech Associates, Inc.Electrochemically regenerated ion neutralization and concentration devices and systems
US594853120 Jun 19977 Sep 1999Hewlett-Packard CompanyPropylene-bridged bidentate silanes
US596865210 Nov 199819 Oct 19993M Innovative Properties CompanySilane coated particle
US60933271 Mar 199625 Jul 2000Apparatuses and methods for electrochemically modifying the retention of species on chromatography material
US623519723 Abr 199922 May 2001Alltech Associates, Inc.Electrochemically regenerated ion neutralization and concentration devices and systems
US655855111 Oct 20006 May 2003Alltech Associates, Inc.Method and system for generating a high purity eluant
US73646461 May 200329 Abr 2008Dionex CorporationHigh-purity eluant generator
US753107518 May 200512 May 2009Dionex CorporationMethod and apparatus for generating a high purity eluant
US778083431 Oct 200724 Ago 2010Dionex CorporationApparatuses and methods for electrochemically modifying the retention of species on chromatography material