Inventor · Hoffman Estates, IL, US

Thomas J. Pullukat

40Patents
18h-index
14Co-inventors
78Inventor score

Filing activity: Nov 27, 1974 → May 8, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US4530912A Polymerization catalyst and method Chemistry; Metallurgy 94 Expired
US4041224A Catalyst, method and polymerization processes Chemistry; Metallurgy 84 Expired
US4530913A Polymerization catalyst and method Chemistry; Metallurgy 43 Expired
US4374753A Polymerization catalyst and method Chemistry; Metallurgy 41 Expired
US4218345A Olefin polymerization catalyst of chromium and process of preparing it Chemistry; Metallurgy 40 Expired
US4263171A Polymerization catalyst Chemistry; Metallurgy 30 Expired
US4359403A Polymerization catalyst and method Chemistry; Metallurgy 25 Expired
US4950631A Modified silica based catalyst Chemistry; Metallurgy 24 Expired
US4754007A Copolymerization of ethylene Emerging Cross-Sectional Technologies 23 Expired
US5310834A Mixed chromium catalysts and polymerizations utilizing same Chemistry; Metallurgy 22 Expired
US5198400A Mixed chromium catalysts and polymerizations utilizing same Chemistry; Metallurgy 22 Expired
US4173548A Ethylene polymerization catalyst and method Emerging Cross-Sectional Technologies 22 Expired
US4478988A Polymerization method Chemistry; Metallurgy 21 Expired
US4383119A Organomagnesium compounds Chemistry; Metallurgy 20 Expired
US6001764A Olefin polymerization catalysts with specific silica supports Chemistry; Metallurgy 19 Expired
US4499198A Polymerization catalysts and methods Chemistry; Metallurgy 19 Expired
US4284527A Polymerization catalyst Chemistry; Metallurgy 19 Expired
US5143883A Modified silica based catalyst Chemistry; Metallurgy 18 Expired
US5895770A Olefin polymerization catalysts with specific silica supports Chemistry; Metallurgy 13 Expired
US4544646A Olefin polymerization catalyst and method Chemistry; Metallurgy 12 Expired
US4578440A Polymerization catalyst and method Chemistry; Metallurgy 10 Expired
US4303770A Method of making polymers and copolymers of 1-olefins Emerging Cross-Sectional Technologies 10 Expired
US5098969A Propylene polymerization using modified silica based catalyst Chemistry; Metallurgy 8 Expired
US4567243A Polymerization method Emerging Cross-Sectional Technologies 8 Expired
US4524141A Polymerization catalysts and methods Chemistry; Metallurgy 8 Expired

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