Inventor · Wilmington, DE, US

Andrew Edward Feiring

86Patents
21h-index
83Co-inventors
91Inventor score

Filing activity: May 12, 1976 → Aug 23, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5182342A Hydrofluorocarbon solvents for fluoromonomer polymerization Chemistry; Metallurgy 123 Expired
US5763552A Hydrogen-containing flourosurfacant and its use in polymerization Chemistry; Metallurgy 77 Expired
US6790587B1 Fluorinated polymers, photoresists and processes for microlithography Emerging Cross-Sectional Technologies 66 Expired
US6593058B1 Photoresists, polymers and processes for microlithography Emerging Cross-Sectional Technologies 58 Expired
US6133389A Amorphous tetrafluoroethylene-hexafluoropropylene copolymers Chemistry; Metallurgy 41 Expired
US6849377B2 Photoresists, polymers and processes for microlithography Emerging Cross-Sectional Technologies 40 Expired
US5639837A Process for making fluoropolymers Chemistry; Metallurgy 39 Expired
US4525539A Vulcanizable nitrile-containing perfluoroelastomer Chemistry; Metallurgy 37 Expired
US6025092A Fluorinated ionomers and their uses Emerging Cross-Sectional Technologies 35 Expired
US5637663A Amorphous tetrafluoroethylene-hexafluoropropylene copolymers Chemistry; Metallurgy 34 Expired
US6743549B1 Nonaqueous electrolyte lithium secondary batteries Emerging Cross-Sectional Technologies 33 Expired
US6399729B1 Fluoromonomer polymerization Chemistry; Metallurgy 31 Expired
US4258225A TaF.sub.5 and NbF.sub.5 as fluorination catalysts Chemistry; Metallurgy 30 Expired
US5773538A Process for polymerization of olefinic monomers Chemistry; Metallurgy 27 Expired
US5186985A Liquid crystal displays of high tilt bias angles Chemistry; Metallurgy 25 Expired
US6486280B1 Amorphous tetrafluoroethylene-hexafluoropropylene copolymers Chemistry; Metallurgy 25 Expired
US4220608A Preparation of 3,3,3-trifluoropropene-1 Chemistry; Metallurgy 25 Expired
US5260492A Fluorinated monomers and polymers Chemistry; Metallurgy 24 Expired
US8535555B2 Epoxide and fluorinated epoxide stabilizers for fluoroolefins Chemistry; Metallurgy 23 Active
US8101094B2 Terpene, terpenoid, and fullerene stabilizers for fluoroolefins Chemistry; Metallurgy 23 Active
US6667377B2 Polyvinylidene fluoride ionomers containing pendant fluoroalkylsulfonyl imide or fluoroalkylsulfonyl methide groups Chemistry; Metallurgy 22 Expired
US6140436A Fluorinated ionomers and their uses Emerging Cross-Sectional Technologies 21 Expired
US5233004A Chromium carbonyl complexes of polyamide Chemistry; Metallurgy 18 Expired
US7722785B2 Electrically conductive polymer compositions Electricity 17 Active
US8663494B2 Terpene, terpenoid, and fullerene stabilizers for fluoroolefins Chemistry; Metallurgy 17 Active

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