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Brevets

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Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US405542027 janv. 197725 oct. 1977Xerox CorporationSingle phase organic photoconductive composition
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US449274722 juin 19818 janv. 1985Hoechst AktiengesellschaftFlexible laminatable photosensitive layer
US453089221 mars 198323 juil. 1985Hoechst AktiengesellschaftElectrophotographic recording material for printing forms
US454888524 oct. 198422 oct. 1985Hoechst AktiengesellschaftProcess for using a flexible laminatable photosensitive layer in the production of a printed circuit
US46578365 mars 198614 avr. 1987Hoechst AktiengesellschaftElectrophotographic material sensitized by 3,3'-dimethylindolenine cyanine dyes
US466860010 mai 198526 mai 1987Hoechst AktiengesellschaftElectrophotographic recording material containing an n-type conducting pigment
US468024418 mars 198514 juil. 1987Hoechst AktiengesellschaftLight-sensitive recording material for the production of a printing form or printed circuit with photoconductive layer and light-sensitive overlayer
US468182715 avr. 198621 juil. 1987Hoechst AktiengesellschaftOrganic electrophotographic material sensitized by cyanine dye
US47693027 mai 19876 sept. 1988Minolta Camera Kabushiki KaishaPhotosensitive member incorporating styryl compound
US486593422 avr. 198812 sept. 1989Minolta Camera Kabushiki KaishaFuction divided photosensitive member
US486998320 févr. 198626 sept. 1989Hoechst AktiengesellschaftSulfonyl-containing styrene derivatives and their use in electrophotographic processes
US488672031 août 198712 déc. 1989Minolta Camera Kabushiki KaishaPhotosensitive medium having a styryl charge transport material
US489128925 avr. 19882 janv. 1990Minolta Camera Kabushiki KaishaPhotosensitive member
US48927991 mars 19889 janv. 1990Hoechst Aktiengesellschaft4-chlorooxazole derivatives and processes for their preparation and use
US490654418 août 19896 mars 1990Minolta Camera Kabushiki KaishaPhotosensitive member of plasma polymerized amorphous carbon charge transporting layer and charge generating layer
US497187420 déc. 198920 nov. 1990Minolta camera Kabushiki KaishaPhotosensitive member with a styryl charge transporting material
US50008317 mars 198819 mars 1991Minolta Camera Kabushiki KaishaMethod of production of amorphous hydrogenated carbon layer
US507911922 févr. 19907 janv. 1992Konica CorporationPhotoreceptor
US51321894 sept. 199021 juil. 1992Fuji Electric Co., Ltd.Photoconductor for electrophotography
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US517898127 févr. 199112 janv. 1993Fuji Electric Co., Ltd.Photoconductor for electrophotography with a charge generating substance comprising a polycyclic and azo compound
US519831827 nov. 199130 mars 1993Fuji Electric Co., Ltd.Bisazo photoconductor for electrophotography
US52701409 mars 199214 déc. 1993Konica CorporationBisstyryl compound and the electrophotographic photoreceptors relating thereto
US527589810 févr. 19934 janv. 1994Fuji Electric Co., Ltd.Bisazo photoconductor for electrophotography
US528659011 juin 199315 févr. 1994Fuji Electric Co., Ltd.Bisazo photoconductor for electrophotography
US529260211 juin 19938 mars 1994Fugi Electric Co., Ltd.Bisazo photoconductor for electrophotography
US529260811 juin 19938 mars 1994Fugi Electric Co., Ltd.Bisazo photoconductor for electrophotography
US529451013 juin 199115 mars 1994Minolta Camera Kabushiki KaishaPhotosensitive member containing specific coumarin fluorescent bleaching agent
US531688118 déc. 199231 mai 1994Fuji Electric Co., Ltd.Photoconductor for electrophotgraphy containing benzidine derivative
US53365463 févr. 19939 août 1994Idemitsu Kosan Co., Ltd.Organic electroluminescence device
US536896612 mai 199329 nov. 1994Fuji Electric Co., Ltd.Photosensitive member for electrophotography with indole derivative
US537095320 nov. 19926 déc. 1994Mita Industrial Co., Ltd.Electrophotosensitive material
US538247724 févr. 199217 janv. 1995Sanyo Electric Co., Ltd.Organic electroluminescent element and process for producing the same
US53936271 févr. 199328 févr. 1995Fuji Electric Co., Ltd.Photoconductor for electrophotography
US544392228 oct. 199222 août 1995Konica CorporationOrganic thin film electroluminescence element
US55005684 mars 199419 mars 1996Idemitsu Kosan Co., Ltd.Organic El device
US574427225 mars 199628 avr. 1998AGFA-Gevaert AGElectrophotographic recording material for the production of printing plates
US602784028 juil. 199822 févr. 2000Orion Electric Co., Ltd.Solution for making photoconductive layers in CRTS
US62778735 déc. 200021 août 2001Oxadiazole antifungal agents
US63761443 août 200023 avr. 2002Kodak Polychrome Graphics, LLCOrganic photoconductive composition
US63801875 déc. 200030 avr. 2002Class of thiomorpholino substituted thiazoles
US71156423 mai 20043 oct. 2006Rigel Pharmaceuticals, Inc.Substituted diphenyl isoxazoles, pyrazoles and oxadiazoles useful for treating HCV infection
US715388022 juin 200426 déc. 2006Rigel Pharmaceuticals, Inc.Substituted diphenyl heterocycles useful for treating HCV infection
US718987717 sept. 200313 mars 2007Tosch CorporationArylamine derivatives having fluorene skeleton, synthetic intermediates thereof, processes of producing those, and organic electrolumivescene devices
US722074515 mai 200322 mai 2007Rigel PharmaceuticalsHeterocyclic compounds useful to treat HCV
US732679030 avr. 20045 févr. 2008Rigel Pharmaceuticals, Inc.Diphenylisoxazole compounds and hydro isomers thereof
US741097919 nov. 200412 août 2008Rigel Pharmaceuticals, Inc.Synergistically effective combinations of dihaloacetamide compounds and interferon or ribavirin against HCV infections
US74983532 mai 20063 mars 2009Rigel Pharmaceuticals, Inc.Heterocyclic anti-viral compounds comprising metabolizable moieties and their uses
US751443422 févr. 20057 avr. 2009Rigel Pharmaceuticals, Inc.Heterocyclic compounds having an oxadiazole moiety and hydro isomers thereof