Inventor · Penfield, NY, US

Angelo J. Barbetta

19Patents
12h-index
25Co-inventors
78Inventor score

Filing activity: Dec 3, 1981 → May 7, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5236629A Conductive composite particles and processes for the preparation thereof Chemistry; Metallurgy 489 Expired
US4560635A Toner compositions with ammonium sulfate charge enhancing additives Physics 289 Expired
US5227460A Cross-linked toner resins Emerging Cross-Sectional Technologies 156 Expired
US5330874A Dry carrier coating and processes Physics 104 Expired
US5376494A Reactive melt mixing process for preparing cross-linked toner resin Physics 73 Expired
US6004712A Coated carrier Physics 32 Expired
US6042981A Coated carrier Physics 32 Expired
US5352556A Toners having cross-linked toner resins Emerging Cross-Sectional Technologies 21 Expired
US4752550A Toner compositions with inner salt charge enhancing additives Physics 15 Expired
US6010812A Coated carrier Physics 14 Expired
US5935750A Coated carrier Physics 14 Expired
US5945244A Coated carrier Physics 12 Expired
US5401602A Reactive melt mixing process for preparing cross-linked toner resins and toners therefrom Physics 12 Expired
US4963455A Developer compositions with suspension polymerized styrene butadiene resins Physics 11 Expired
US4820604A Toner and developer compositions with sulfur cotaining organopolysiloxane waxes Physics 9 Expired
US4396697A Organic sulfonate charge enhancing additives Physics 4 Expired
US6451495B1 Toner and developer compositions with charge enhancing additives Physics 3 Expired
US6426170B1 Toner and developer compositions with charge enhancing additives Physics 2 Expired
US5318872A Toner and developer compositions with fluorophosphate charge enhancing additives Physics 0 Expired

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