Inventor · Mequon, WI, US

Steven D. Gray

43Patents
10h-index
48Co-inventors
75Inventor score

Filing activity: Oct 13, 2000 → Jul 10, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6930071B2 Ziegler-natta catalyst for polyolefins Chemistry; Metallurgy 30 Expired
US6864207B2 Ziegler-Natta catalyst for polyolefins Chemistry; Metallurgy 28 Expired
US6846859B2 Polyolefin composition having reduced color bodies Chemistry; Metallurgy 22 Expired
US8324184B2 Anti-adhesion composites and methods of use thereof Human Necessities 21 Active
US9096794B2 High flow liquid crystalline polymer composition Chemistry; Metallurgy 19 Active
US6486274B1 Hydrogen response Ziegler-Natta catalyst for narrowing MWD of polyolefin, method of making, method of using, and polyolefins made therewith Chemistry; Metallurgy 19 Expired
US9051514B2 High flow liquid crystalline polymer composition Chemistry; Metallurgy 18 Active
US9045685B2 Cast molded parts formed from a liquid crystalline polymer Chemistry; Metallurgy 16 Active
US6734134B1 Ziegler-natta catalyst for tuning MWD of polyolefin, method of making, method of using, and polyolefins made therewith Chemistry; Metallurgy 16 Expired
US9080036B2 Nucleating system for polyarylene sulfide compositions Performing Operations; Transporting 13 Active
US7473664B2 Formation of Ziegler-Natta catalyst Chemistry; Metallurgy 9 Active
US6693058B1 Ziegler-natta catalyst for narrow to broad MWD of polyoefins, method of making, method of using, and polyolefins made therewith Chemistry; Metallurgy 7 Expired
US8852730B2 Melt-extruded substrate for use in thermoformed articles Chemistry; Metallurgy 7 Active
US8618239B2 Solid-stage polymerization system for a liquid crystalline polymer Chemistry; Metallurgy 6 Active
US8669341B2 Solid-state polymerization of a liquid crystalline polymer Chemistry; Metallurgy 6 Active
US8906258B2 Heat-resistant liquid crystalline polymer composition having a low melting temperature Chemistry; Metallurgy 5 Active
US6916895B2 Ziegler-Natta catalyst for tuning MWD of polyolefin, method of making, method of using, and polyolefins made therewith Chemistry; Metallurgy 4 Expired
US7655590B2 Ziegler-Natta catalyst for particle size control Chemistry; Metallurgy 4 Active
US9206300B2 High strength thermotropic liquid crystalline polymer Chemistry; Metallurgy 4 Active
US8778221B2 Aromatic amide compound Chemistry; Metallurgy 3 Active
US6790804B2 Magnesium-diketonate complex derived polyolefin catalysts, method of making same, method of polymerizing with same Chemistry; Metallurgy 3 Expired
US8110644B2 Bimodal pipe resin and products made therefrom Chemistry; Metallurgy 3 Active
US8859703B2 Bimodal pipe resin and products made therefrom Chemistry; Metallurgy 2 Active
US9057016B2 Melt polymerization of low melt viscosity liquid crystalline polymers Chemistry; Metallurgy 2 Active
US9005475B2 Aromatic amide compound Chemistry; Metallurgy 1 Active

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