Inventor · Oakville, ON, CA

Paul J. Gerroir

59Patents
12h-index
106Co-inventors
87Inventor score

Filing activity: Feb 21, 1989 → Jan 20, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5501935A Toner aggregation processes Physics 268 Expired
US5202209A Toner and developer compositions with surface additives Physics 71 Expired
US5482812A Wax Containing toner aggregation processes Physics 55 Expired
US6529313B1 Electrophoretic displays, display fluids for use therein, and methods of displaying images Physics 45 Expired
US7547499B2 Low melt toner Physics 37 Active
US4937167A Process for controlling the electrical characteristics of toners Physics 36 Expired
US5229242A Toner and developer compositions with block or graft copolymer compatibilizer Physics 32 Expired
US5998076A Carrier Physics 31 Expired
US6445490B1 Encapsulated gyricon spheres Physics 24 Expired
US7494757B2 Ultra low melt toners comprised of crystalline resins Physics 20 Active
US6467871B1 Ballistic aerosol marking process employing marking material comprising vinyl resin and poly (3,4-ethylenedioxypyrrole) Performing Operations; Transporting 20 Expired
US5883176A Conductive particles containing carbon black and processes for the preparation thereof Electricity 16 Expired
US6455219B1 Semicontinuous emulsion polymerization process for making silica-containing latex for toners Physics 12 Expired
US7736831B2 Emulsion/aggregation process using coalescent aid agents Physics 12 Active
US7985523B2 Toners containing polyhedral oligomeric silsesquioxanes Physics 10 Active
US6808851B2 Emulsion aggregation toner containing a mixture of waxes incorporating an improved process to prevent wax protrusions and coarse particles Physics 9 Expired
US6488870B1 Encapsulation process Emerging Cross-Sectional Technologies 9 Expired
US5364724A Toner and developer compositions with compatibilizer Physics 9 Expired
US7307111B2 Polymer particles containing a cross-linked polymer core and a linear non-cross-linked polymer shell, and toner formed therefrom Physics 8 Expired
US5571655A Toner reactive melt mixing process Emerging Cross-Sectional Technologies 8 Expired
US6528225B1 Carrier Physics 7 Expired
US7749673B2 Toner processes Physics 7 Active
US7563318B1 Method of making nanoscale particles of AZO pigments in a microreactor or micromixer Performing Operations; Transporting 7 Active
US8084180B2 Toner compositions Physics 5 Active
US8431303B2 Rosin-based resin and toner containing same Physics 5 Active

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