Inventor · Wilmington, DE, US

C. Chad Roberts

15Patents
2h-index
9Co-inventors
39Inventor score

Filing activity: Dec 21, 2006 → Dec 15, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US8931889B2 Inkjet ink with self-dispersed pigments and hydroxyl terminated polyurethane ink additives Performing Operations; Transporting 9 Active
US9410010B2 Urea-terminated polyurethane dispersants Chemistry; Metallurgy 4 Active
US8815979B2 Amphoteric polyurethane dispersants and their use in inkjet inks Chemistry; Metallurgy 2 Active
US8258203B2 Inkjet ink, ink set and method of using same Chemistry; Metallurgy 2 Active
US8686089B2 Crosslinking pigment dispersion on diblock polymeric dispersants Chemistry; Metallurgy 2 Active
US8591021B2 Method of printing using ink jet inks comprising a crosslinking pigment dispersion based on diblock polymeric dispersants Chemistry; Metallurgy 2 Active
US8591020B2 Aqueous ink jet ink comprising a crosslinking pigment dispersion based on diblock polymeric dispersants Chemistry; Metallurgy 1 Active
US7932306B2 Amphoteric dispersants and their use in inkjet inks Chemistry; Metallurgy 1 Active
US8500266B2 AB block copolymer dispersants having an ink vehicle soluble block Chemistry; Metallurgy 1 Active
US9023141B2 Method of preparing aqueous pigment dispersions Chemistry; Metallurgy 0 Active
US9303170B2 Aqueous pigment dispersions with components to interact with cellulose Chemistry; Metallurgy 0 Active
US9815994B2 Aqueous pigment dispersions with components to interact with cellulose Chemistry; Metallurgy 0 Active
US9315690B2 Aqueous pigment dispersions based on polyurethane dispersants having components to interact with cellulose Chemistry; Metallurgy 0 Active
US10196531B2 Pigmented inkjet ink comprising dispersed polyurethane and olefin ionic copolymer Chemistry; Metallurgy 0 Active
US8820907B2 Amphoteric dispersants and their use in inkjet inks Chemistry; Metallurgy 0 Active

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