Inventor · Evans City, PA, US

William P. Blackburn

20Patents
14h-index
27Co-inventors
81Inventor score

Filing activity: Dec 23, 1983 → Apr 14, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US4681811A Color plus clear coatings employing polyepoxides and polyacid curing agents in the clear coat Emerging Cross-Sectional Technologies 161 Expired
US4764430A Crosslinkable compositions containing polyepoxides and polyacid curing agents Emerging Cross-Sectional Technologies 109 Expired
US4650718A Color plus clear coatings employing polyepoxides and polyacid curing agents Emerging Cross-Sectional Technologies 107 Expired
US4927868A High solids coating compositions containing a polyepoxide and a copolymer of an alpha-olefin and an olefinically unsaturated monoanhydride Chemistry; Metallurgy 90 Expired
US4732790A Color plus clear application of thermosetting high solids coating composition of hydroxy-functional epoxies and anhydrides Emerging Cross-Sectional Technologies 64 Expired
US4732791A Color plus clear application of thermosetting high solids coating composition of epoxies, polyols and anhydrides Emerging Cross-Sectional Technologies 39 Expired
US7452611B2 Photochromic optical article Emerging Cross-Sectional Technologies 34 Expired
US7410691B2 Photochromic optical article Emerging Cross-Sectional Technologies 31 Expired
US4684697A Compositions based on silane hydrolyzates and vinyl polymers containing hydrolyzable silyl groups Chemistry; Metallurgy 25 Expired
US4755581A Thermosetting high solids coating composition of epoxies, polyols and anhydrides Chemistry; Metallurgy 24 Expired
US4917955A Color plus clear composite coating having a catalyst-free base coat comprising polyepoxides and polyacid curing agents Emerging Cross-Sectional Technologies 21 Expired
US4652610A Compositions based on silicon-containing resins having hydrolyzable groups Chemistry; Metallurgy 20 Expired
US4699814A Color plus clear application of high solids thermosetting coating compositions containing epoxy-functional polyurethanes Emerging Cross-Sectional Technologies 20 Expired
US6352747B1 Spin and spray coating process for curved surfaces Physics 18 Expired
US4849283A Composite coatings employing polyepoxides and polyacid curing agents in base coats Emerging Cross-Sectional Technologies 14 Expired
US7757629B2 Method and apparatus for coating an optical article Emerging Cross-Sectional Technologies 12 Active
US4611040A Fluoride ion as a curing catalyst for silicon-containing resins Emerging Cross-Sectional Technologies 11 Expired
US4755582A Thermosetting high solids coating composition of hydroxy-functional epoxies and anhydrides Chemistry; Metallurgy 10 Expired
US5035925A Process for applying to a substrate a copolymer of an alpha-olefin and an olefinically unsaturated monoanhydride Chemistry; Metallurgy 1 Expired
US4529665A Ammonium salts of sulfocarboxylic acid esters as acid catalysts Emerging Cross-Sectional Technologies 1 Expired

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