Inventor · Tolkkinen, FI

Timo Leinonen

47Patents
8h-index
38Co-inventors
75Inventor score

Filing activity: May 19, 1989 → May 24, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5234879A Method for the modification of catalysts intended for the polymerization of olefins Chemistry; Metallurgy 42 Expired
US5869418A Stereospecific catalyst system for polymerization of olefins Chemistry; Metallurgy 31 Expired
US9751962B2 Low emission propylene homopolymer with high melt flow Chemistry; Metallurgy 22 Active
US5767215A Coarse-grained polyolefin, its production method and a catalyst used in the method Chemistry; Metallurgy 21 Expired
US10870718B2 Catalyst component Chemistry; Metallurgy 18 Active
US5710229A Large-pole polyolefin, a method for its production and a procatalyst containing a transesterification product of a lower alcohol and a phthalic acid ester Chemistry; Metallurgy 15 Expired
US8207271B2 Process for the manufacture of heterophasic propylene copolymer Chemistry; Metallurgy 14 Active
US6339136B1 Process for making propylene homo or copolymers Emerging Cross-Sectional Technologies 9 Expired
US6420499B1 Catalyst component comprising magnesium, titanium, a halogen and an election donor, its preparation and use Chemistry; Metallurgy 8 Expired
US7271119B2 Process for preparing an olefin polymerization catalyst component Chemistry; Metallurgy 8 Expired
US6303532A Olefin polymerization catalyst containing a transesterification product of a lower alcohol and a phthalic acid ester Chemistry; Metallurgy 6 Expired
US6207607A Composition containing magnesium, titanium, halogen and an inner electron donor, its preparation and use for the polymerization of alpha-olefins Chemistry; Metallurgy 6 Expired
US5436213A Procatalyst composition containing substituted maleic or fumaric acid esters as an electron donor for olefin polymerization Chemistry; Metallurgy 5 Expired
US6200923A Polymerization catalyst composition containing magnesium, titanium, halogen, and carboxylic acid ester Chemistry; Metallurgy 4 Expired
US8399374B2 Catalyst particles Chemistry; Metallurgy 3 Active
US6703455B1 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use Chemistry; Metallurgy 3 Expired
US5135899A Method for the activation of a carrier for a polymerization catalyst, and a catalyst component obtained using the method Emerging Cross-Sectional Technologies 3 Expired
US6365540B1 Product containing magnesium, halogen and alkoxy Chemistry; Metallurgy 2 Expired
US5663248A Procatalyst component based on a transition metal compound on a carrier of magnesium chloride and manganese halide Chemistry; Metallurgy 2 Expired
US7256150B2 Preparation of olefin polymerization catalyst component Chemistry; Metallurgy 2 Expired
US10035866B2 Method for producing an olefin polymerization catalyst Physics 2 Active
US8901261B2 Catalyst component Chemistry; Metallurgy 2 Active
US6849700B1 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use Chemistry; Metallurgy 1 Expired
US7026265B2 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use Chemistry; Metallurgy 1 Expired
US6706655B2 Catalyst component comprising magnesium, titanium, a halogen and an electron donor, its preparation and use Chemistry; Metallurgy 1 Expired

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