Inventor · Oberursel, DE

Frank Kuber

58Patents
25h-index
32Co-inventors
80Inventor score

Filing activity: Nov 24, 1992 → May 8, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5770753A Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts Emerging Cross-Sectional Technologies 137 Expired
US5840644A Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts Emerging Cross-Sectional Technologies 124 Expired
US5786432A Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts Emerging Cross-Sectional Technologies 98 Expired
US6255506A Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts Emerging Cross-Sectional Technologies 79 Expired
US5455366A Metallocenes having benzo-fused indenyl derivatives as ligands, processes for their preparation and their use as catalysts Chemistry; Metallurgy 76 Expired
US6242544A Metallocenes containing aryl-substituted indenyl ligands and their use as catalysts Emerging Cross-Sectional Technologies 75 Expired
US5672668A Process for the preparation of polyolefins Emerging Cross-Sectional Technologies 74 Expired
US5328969A Process for the preparation of a high molecular weight olefin polymer Emerging Cross-Sectional Technologies 73 Expired
US6051727A Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts Emerging Cross-Sectional Technologies 72 Expired
US5532396A Metallocene compound Emerging Cross-Sectional Technologies 70 Expired
US6057408A High molecular weight copolymers of propylene and olefins having 2 or 4 to 32 carbon atoms Emerging Cross-Sectional Technologies 60 Expired
US5374752A Process for the preparation of a high molecular weight olefin polymer Emerging Cross-Sectional Technologies 58 Expired
US5391790A Process for the preparation of bridged, chiral metallocene catalysts of the bisindenyl type Chemistry; Metallurgy 53 Expired
US5565534A Process for the preparation of polyolefins Chemistry; Metallurgy 50 Expired
US6124231A Supported catalyst system, processes for its preparation, and its use for the polymerization of olefins Chemistry; Metallurgy 47 Expired
US5693730A Metallocenes, process for their preparation and their use as catalysts Emerging Cross-Sectional Technologies 42 Expired
US5693836A Process for the preparation of polyolefins Emerging Cross-Sectional Technologies 39 Expired
US5698645A Process for preparing cycloolefin copolymers Emerging Cross-Sectional Technologies 37 Expired
US5741868A Olefin polymerization process by using a substituted indenyl containing metallocene catalyst Emerging Cross-Sectional Technologies 37 Expired
US5990254A Metallocenes as catalysts in the preparation of cycloolefin copolymers Emerging Cross-Sectional Technologies 34 Expired
US5830821A Process for olefin preparation using metallocenes having benzo-fused indenyl derivatives as ligands Emerging Cross-Sectional Technologies 34 Expired
US5733991A Process for preparing cycloolefin polymer Chemistry; Metallurgy 31 Expired
US5840948A Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts Emerging Cross-Sectional Technologies 27 Expired
US5929264A Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts Emerging Cross-Sectional Technologies 27 Expired
US5710297A Metallocenes, and their use as catalysts Emerging Cross-Sectional Technologies 27 Expired

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