Inventor · Midland, MI, US

Jerzy Klosin

89Patents
13h-index
125Co-inventors
87Inventor score

Filing activity: Apr 26, 1996 → Oct 10, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6268444A 3-heteroatom substituted cyclopentadienyl-containing metal complexes and olefin polymerization process Emerging Cross-Sectional Technologies 102 Expired
US6515155B1 Substituted group 4 metal complexes, catalysts and olefin polymerization process Emerging Cross-Sectional Technologies 95 Expired
US9029487B2 Process for polymerizing a polymerizable olefin and catalyst therefor Chemistry; Metallurgy 36 Active
US8071701B2 Polydentate heteroatom ligand containing metal complexes, catalysts and methods of making and using the same Chemistry; Metallurgy 35 Active
US8609794B2 Process for selectively polymerizing ethylene and catalyst therefor Chemistry; Metallurgy 32 Active
US9527941B2 Polymerization process for producing ethylene based polymers Emerging Cross-Sectional Technologies 21 Active
US8372927B2 Metal-ligand complexes and catalysts Chemistry; Metallurgy 20 Active
US9527940B2 Polymerization process for producing ethylene based polymers Emerging Cross-Sectional Technologies 20 Active
US9605098B2 Molecular weight control of polyolefins using halogenated bis-phenylphenoxy catalysts Chemistry; Metallurgy 18 Active
US6160146A Process for preparing trifluoroarylaluminum etherates Chemistry; Metallurgy 17 Expired
US6555634B1 Di- and tri-heteroatom substituted indenyl metal complexes Chemistry; Metallurgy 15 Expired
US9522855B2 Process for producing low molecular weight ethylene- and alpha-olefin-based materials Chemistry; Metallurgy 14 Active
US6235917A Dinuclear complexes and polymerization catalysts therefrom Emerging Cross-Sectional Technologies 14 Expired
US8383753B2 Polydentate heteroatom ligand containing metal complexes, catalysts and methods of making and using the same Chemistry; Metallurgy 12 Active
US9601231B2 Hyperbranched olefin oil-based dielectric fluid Chemistry; Metallurgy 12 Active
US9422383B2 Ethylene/alpha-olefin/nonconjugated polyene interpolymers and processes to form the same Chemistry; Metallurgy 11 Active
US6646071B1 Metal complexes containing bridging heteroatom for olefin-polymerization-process Emerging Cross-Sectional Technologies 11 Expired
US9643900B2 Hyperbranched ethylene-based oils and greases Chemistry; Metallurgy 9 Active
US6613921B2 Polycyclic, fused ring compounds, metal complexes and polymerization process Emerging Cross-Sectional Technologies 8 Expired
US5670680A Method for producing octahydrofluorenyl metal complexes Emerging Cross-Sectional Technologies 8 Expired
US9975975B2 Bis-biphenylphenoxy catalysts for polymerization of low molecular weight ethylene-based polymers Chemistry; Metallurgy 5 Active
US10196336B2 Process for the preparation of lightly-branched hydrophobes and the corresponding surfactants and applications thereof Chemistry; Metallurgy 5 Active
US8318874B2 Process of selectively polymerizing ethylene and catalyst therefor Chemistry; Metallurgy 5 Active
US7220884B2 Hydroaminomethylation of olefins Chemistry; Metallurgy 5 Expired
US6344529B1 Zwitterionic catalyst activator Chemistry; Metallurgy 5 Expired

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