Inventor · Windom, MN, US

Gregory D. Clark

12Patents
7h-index
26Co-inventors
62Inventor score

Filing activity: Aug 19, 1998 → Jan 30, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6168866A Abrasion and stain resistant curable fluorinated coating Emerging Cross-Sectional Technologies 53 Expired
US8015970B2 Respirator, welding helmet, or face shield that has low surface energy hard-coat lens Chemistry; Metallurgy 25 Active
US6995222B2 Coating compositions with reactive fluorinated copolymers having pendant perfluoropolyether groups Chemistry; Metallurgy 24 Expired
US6391948B1 Triazine compounds and use thereof Emerging Cross-Sectional Technologies 19 Expired
US6841333B2 Ionic photoacid generators with segmented hydrocarbon-fluorocarbon sulfonate anions Emerging Cross-Sectional Technologies 17 Expired
US8002886B2 Fluorochemical urethane compounds having pendent silyl groups used for surface treatment Chemistry; Metallurgy 10 Active
US8701763B2 Methods for treating hydrocarbon-bearing formations having brine Chemistry; Metallurgy 10 Active
US7078444B2 Ionic photoacid generators with segmented hydrocarbonfluorocarbon sulfonate anions Emerging Cross-Sectional Technologies 7 Expired
US8945712B2 Fluorinated compositions and surface treatments made therefrom Emerging Cross-Sectional Technologies 5 Active
US7652116B2 Fluorochemical urethane-silane compounds and aqueous compositions thereof Chemistry; Metallurgy 3 Active
US7652117B2 Fluorochemical urethane compounds and aqueous compositions thereof Chemistry; Metallurgy 2 Active
US9688785B2 Fluorinated compositions and surface treatments made therefrom Emerging Cross-Sectional Technologies 0 Active

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