Inventor · Midland, MI, US

David D. Devore

83Patents
20h-index
102Co-inventors
91Inventor score

Filing activity: Jun 10, 1991 → Jun 23, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5374696A Addition polymerization process using stabilized reduced metal catalysts Emerging Cross-Sectional Technologies 144 Expired
US7858706B2 Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation Emerging Cross-Sectional Technologies 121 Active
US5470993A Titanium(II) or zirconium(II) complexes and addition polymerization catalysts therefrom Chemistry; Metallurgy 118 Expired
US5625087A Silylium cationic polymerization activators for metallocene complexes Chemistry; Metallurgy 115 Expired
US5616664A Polymerization process with biscyclopentadienyl diene complex containing catalysts Emerging Cross-Sectional Technologies 99 Expired
US5556928A Titanium (II) or Zirconium (II) complexes and addition polymerization catalysts therefrom Emerging Cross-Sectional Technologies 86 Expired
US7951882B2 Catalyst composition comprising shuttling agent for higher olefin multi-block copolymer formation Emerging Cross-Sectional Technologies 70 Active
US5624878A Titanium (II) or zirconium (II) complexes and addition polymerization catalysts therefrom Emerging Cross-Sectional Technologies 66 Expired
US5425872A Electrochemical preparation of addition polymerization catalysts Emerging Cross-Sectional Technologies 54 Expired
US7915192B2 Catalyst composition comprising shuttling agent for ethylene copolymer formation Chemistry; Metallurgy 51 Active
US5994255A Allyl containing metal complexes and olefin polymerization process Emerging Cross-Sectional Technologies 49 Expired
US5972822A Biscyclopentadienyldiene complex containing addition polymerization catalysts Emerging Cross-Sectional Technologies 49 Expired
US5347024A Preparation of addition polymerization catalysts via Lewis acid mitigated metal center oxidation Chemistry; Metallurgy 44 Expired
US5486632A Group 4 metal diene complexes and addition polymerization catalysts therefrom Emerging Cross-Sectional Technologies 43 Expired
US8198374B2 Catalyst composition comprising shuttling agent for ethylene multi-block copolymer formation Emerging Cross-Sectional Technologies 42 Active
US6476283B1 Hydrogenation of unsaturated polymers using divalent diene-containing bis-cyclopentadienyl group IV metal catalysts Chemistry; Metallurgy 32 Expired
US5527929A Zwitterionic biscyclopentadienyl complexes Emerging Cross-Sectional Technologies 30 Expired
US5494874A Homogenous, stabilized, reduced metal addition polymerization catalysts, process for preparation and method of use Emerging Cross-Sectional Technologies 29 Expired
US5539068A Group 4, metal-conjugated diene metallocyclopentene complexes, and addition polymerization catalysts therefrom Emerging Cross-Sectional Technologies 28 Expired
US5372682A Electrochemical preparation of addition polymerization catalysts Emerging Cross-Sectional Technologies 20 Expired
US5532394A Addition polymerization catalysts comprising reduced oxidation state metal complexes Emerging Cross-Sectional Technologies 20 Expired
US5646084A Polymerization process using diene containing catalysts Chemistry; Metallurgy 19 Expired
US6825297B1 Transition metal complexes and olefin polymerization process Chemistry; Metallurgy 19 Expired
US6255246A Boratabenzene cocatalyst with metallocene catalyst Chemistry; Metallurgy 18 Expired
US6365779B2 Boratabenzene cocatalyst with metallocene catalyst Chemistry; Metallurgy 16 Expired

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