Inventor · Webster, NY, US

Dale S. Renfer

89Patents
22h-index
108Co-inventors
91Inventor score

Filing activity: Sep 22, 1977 → Jul 13, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US4806443A Polyarylamine compounds and systems utilizing polyarylamine compounds Physics 129 Expired
US4299897A Aromatic amino charge transport layer in electrophotography Physics 118 Expired
US4871634A Electrophotographic elements using hydroxy functionalized arylamine compounds Physics 86 Expired
US4806444A Arylamine polymers and systems utilizing arylamine polymers Physics 83 Expired
US5368967A Layered photoreceptor with overcoat containing hydrogen bonded materials Physics 77 Expired
US5648542A Arylamine processes Chemistry; Metallurgy 75 Expired
US5702854A Compositions and photoreceptor overcoatings containing a dihydroxy arylamine and a crosslinked polyamide Physics 73 Expired
US5976744A Photoreceptor overcoatings containing hydroxy functionalized aromatic diamine, hydroxy functionalized triarylamine and crosslinked acrylated polyamide Physics 66 Expired
US4818650A Arylamine containing polyhydroxy ether resins and system utilizing arylamine containing polyhydroxyl ether resins Physics 66 Expired
US4273846A Imaging member having a charge transport layer of a terphenyl diamine and a polycarbonate resin Chemistry; Metallurgy 64 Expired
US4304829A Imaging system with amino substituted phenyl methane charge transport layer Physics 50 Expired
US4599286A Photoconductive imaging member with stabilizer in charge transfer layer Physics 50 Expired
US6099996A Electrophotographic imaging member with an improved charge transport layer Physics 46 Expired
US5336577A Single layer photoreceptor Physics 41 Expired
US5681679A Overcoated electrophotographic imaging member with resilient charge transport layer Physics 40 Expired
US5030532A Electrophotographic imaging member utilizing polyarylamine polymers Physics 37 Expired
US6107439A Cross linked conducting compositions Physics 35 Expired
US4956440A Arylamine containing polyhydroxyether resins Physics 34 Expired
US4935487A Carbonate-arylamine polymer Chemistry; Metallurgy 26 Expired
US6117967A Arylene ether alcohol polymers Chemistry; Metallurgy 24 Expired
US4764625A Process for preparing arylamines Chemistry; Metallurgy 24 Expired
US6004709A Allyloxymethylatedpolyamide synthesis compositions and devices Physics 22 Expired
US6183921A Crack-resistant and curl free multilayer electrophotographic imaging member Physics 21 Expired
US6177238A Ink jet printheads containing arylene ether alcohol polymers and processes for their formation Performing Operations; Transporting 19 Expired
US5461580A Computer-aided chemical illustration system Physics 18 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.