Inventor · Arlington Heights, IL, US

Frederick C. Wilhelm

26Patents
9h-index
31Co-inventors
75Inventor score

Filing activity: Aug 1, 1974 → Nov 8, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5300271A Method for separation of carbon monoxide by highly dispersed cuprous compositions Emerging Cross-Sectional Technologies 35 Expired
US5126310A Highly dispersed cuprous compositions Emerging Cross-Sectional Technologies 32 Expired
US5258571A Separations using highly dispersed cuprous compositions Emerging Cross-Sectional Technologies 25 Expired
US3998900A Dehydrogenation of hydrocarbons with a multimetallic catalytic composite Chemistry; Metallurgy 22 Expired
US3951868A Hydrocarbon conversion catalyst Performing Operations; Transporting 16 Expired
US4451687A Catalyst for the hydrodealkylation of alkylaromatic compounds Emerging Cross-Sectional Technologies 15 Expired
US7351395B1 Hydrogen storage by reversible hydrogenation of pi-conjugated substrates Emerging Cross-Sectional Technologies 15 Expired
US6610628B2 Polymer network/carbon layer on monolith support and monolith catalytic reactor Performing Operations; Transporting 12 Expired
US5175137A Highly dispersed cuprous compositions Performing Operations; Transporting 9 Expired
US6184416A Lithium aluminate as a catalyst support for hydrogenation of aromatic amines Performing Operations; Transporting 8 Expired
US4046715A Nonacidic multimetallic dehydrogenation catalyst Chemistry; Metallurgy 8 Expired
US6479704B1 Hydrogenation with monolith reactor under conditions of immiscible liquid phases Performing Operations; Transporting 7 Expired
US3966895A Dehydrogenation with a nonacidic multimetallic catalyst Chemistry; Metallurgy 6 Expired
US4130597A Dehydrogenation using multimetallic catalyst Emerging Cross-Sectional Technologies 5 Expired
US3940329A Hydrocarbon conversion with a multimetallic catalytic composite Performing Operations; Transporting 4 Expired
US3972805A Hydrocarbon conversion with an acidic, sulfur-free trimetallic catalytic composite Chemistry; Metallurgy 4 Expired
US6521791B1 Process for regenerating a monolith hydrogenation catalytic reactor Emerging Cross-Sectional Technologies 4 Expired
US4028225A Hydrocarbon conversion with a sulfided acidic multimetallic catalytic composite Chemistry; Metallurgy 3 Expired
US5399769A Preparation of methylamines using shape selective chabazites Chemistry; Metallurgy 3 Expired
US8877673B2 Supported catalyst and use thereof for reforming of steam and hydrocarbons Emerging Cross-Sectional Technologies 2 Active
US6774264B2 Catalyst to improve the color stability of N,N-dialkylalkanolamines Chemistry; Metallurgy 2 Expired
US4436836A Catalyst for the hydrodealkylation of alkylaromatic compounds Emerging Cross-Sectional Technologies 2 Expired
US4083806A Hydrocarbon conversion with an acidic, sulfur-free trimetallic catalytic composite Performing Operations; Transporting 2 Expired
US8038981B2 Hydrogen production using complex metal oxide pellets Emerging Cross-Sectional Technologies 2 Active
US7897128B2 Preparation of complex metal oxides Chemistry; Metallurgy 2 Active

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