Inventor · Alexandria, VA, US

Teddy M. Keller

157Patents
20h-index
25Co-inventors
90Inventor score

Filing activity: Apr 4, 1979 → Mar 3, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5159054A Synthesis of phthalonitrile resins containing ether and imide linkages Chemistry; Metallurgy 62 Expired
US4408035A Phthalonitrile resin from diphthalonitrile monomer and amine Chemistry; Metallurgy 43 Expired
US4234712A Polyphthalocyanine resins Chemistry; Metallurgy 39 Expired
US4409382A Synthesis and polymerization of phthalonitrile monomers containing multiple phenoxy and sulfone linkages Chemistry; Metallurgy 37 Expired
US5003039A Amino phenyl containing curing agent for high performance phthalonitrile resin Chemistry; Metallurgy 34 Expired
US5272237A Carborane-(siloxane or silane)-unsaturated hydrocarbon based polymers Chemistry; Metallurgy 32 Expired
US6846345B1 Synthesis of metal nanoparticle compositions from metallic and ethynyl compounds Emerging Cross-Sectional Technologies 32 Expired
US5237045A Curing phthalonitrile resins with acid and amine Chemistry; Metallurgy 30 Expired
US5292779A Carborane-(silane or siloxane)-unsaturated hydrocarbon based thermosetting polymers Chemistry; Metallurgy 27 Expired
US5003078A Synthesis of phthalonitrile resins containing ether and imide linkages Chemistry; Metallurgy 25 Expired
US5348917A Ceramics formed by pyrolysis of either linear or thermosetting carborane (siloxane or silane) acetylene based precursor polymers Chemistry; Metallurgy 25 Expired
US5004801A Polymer of dithioether-linked phthalonitrile Chemistry; Metallurgy 24 Expired
US5132396A Phthalonitrile monomers containing imide and/or phenoxy linkages, and polymers thereof Chemistry; Metallurgy 23 Expired
US4223123A Aliphatic phenoxy polyphthalocyanine Chemistry; Metallurgy 23 Expired
US5292854A Synthesis of phthalonitrile resins containing ether and imide linkages with aromatic diamine curing agent Chemistry; Metallurgy 22 Expired
US6770583B2 Transistion metal containing ceramic with metal nanoparticles Emerging Cross-Sectional Technologies 22 Expired
US5350828A Synthesis and polymerization of dithioether-linked phthalonitrile monomers Chemistry; Metallurgy 22 Expired
US4259471A Polyphenylether-bridged polyphthalocyanine Chemistry; Metallurgy 21 Expired
US4587325A Processable and stable conductive polymers from diether-linked bisorthodinitrile monomers Chemistry; Metallurgy 21 Expired
US5981678A Polymer precursor composition, crosslinked polymers, thermosets and ceramics made with silyl and siloxyl substituted carboranes with unsaturated organic end groups Chemistry; Metallurgy 20 Expired
US6025453A Linear inorganic-organic hybrid copolymers containing random distribution of boranyl, silyl, or siloxyl, and acetylenic units Chemistry; Metallurgy 20 Expired
US6787615B2 Synthesis of oligomeric poly(silarylene-siloxane-acetylene)'s and their conversion to high temperature plastics, elastomers, and coatings Chemistry; Metallurgy 20 Expired
US5483017A High temperature thermosets and ceramics derived from linear carborane-(siloxane or silane)-acetylene copolymers Chemistry; Metallurgy 19 Expired
US6001926A Fiber-reinforced phthalonitrile composite cured with low-reactivity aromatic amine curing agent Emerging Cross-Sectional Technologies 18 Expired
US5969072A Silyl and siloxyl substituted carboranes with unsaturated organic end groups Chemistry; Metallurgy 17 Expired

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