Inventor · Kingwood, TX, US

Daniel M. Hasenberg

44Patents
9h-index
44Co-inventors
75Inventor score

Filing activity: Nov 4, 1987 → Nov 14, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4803251A Method for reducing sheeting during polymerization of alpha-olefins Emerging Cross-Sectional Technologies 130 Expired
US7932425B2 Method of enhancing an aromatization catalyst Chemistry; Metallurgy 49 Active
US5841678A Modeling and simulation of a reaction for hydrotreating hydrocarbon oil Chemistry; Metallurgy 24 Expired
US9085736B2 System and method for on stream catalyst replacement Chemistry; Metallurgy 19 Active
US7989655B2 Thiol ester compositions and processes for making and using same Chemistry; Metallurgy 19 Expired
US8569555B2 Method of enhancing an aromatization catalyst Chemistry; Metallurgy 18 Active
US8362310B2 Method of enhancing an aromatization catalyst Chemistry; Metallurgy 18 Active
US5034479A Process for reducing sheeting during polymerization of alpha-olefins Emerging Cross-Sectional Technologies 15 Expired
US7645906B2 Graded catalyst bed for methyl mercaptan synthesis Performing Operations; Transporting 10 Active
US7217843B2 Method of making 2-thiols Chemistry; Metallurgy 9 Expired
US9718042B2 Aromatization reactors with hydrogen removal and related reactor systems Performing Operations; Transporting 3 Active
US10774040B1 Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams Chemistry; Metallurgy 3 Active
US9822316B2 System and method for on stream catalyst replacement Chemistry; Metallurgy 3 Active
US9718767B2 Beta-mercaptoethanol synthesis Chemistry; Metallurgy 2 Active
US7399893B2 Process and catalyst for synthesis of mercaptans and sulfides from alcohols Chemistry; Metallurgy 2 Expired
US5182330A Process for the copolymerization of 4-methyl-1-pentene Chemistry; Metallurgy 1 Expired
US10537867B2 Optimized reactor configuration for optimal performance of the aromax catalyst for aromatics synthesis Chemistry; Metallurgy 1 Active
US10927074B2 Synthesis of methyl ethyl sulfide and related production systems Emerging Cross-Sectional Technologies 1 Active
US11103843B2 Optimized reactor configuration for optimal performance of the aromax catalyst for aromatics synthesis Chemistry; Metallurgy 1 Active
US11174225B2 Synthesis of asymmetrical sulfide compounds and asymmetrical ether compounds Emerging Cross-Sectional Technologies 1 Active
US11149211B2 Optimized reactor configuration for optimal performance of the aromax catalyst for aromatics synthesis Chemistry; Metallurgy 0 Active
US10336614B2 Hydrogen sulfide production process and related reactor vessels Performing Operations; Transporting 0 Active
US11845716B2 Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams Chemistry; Metallurgy 0 Active
US11498041B2 Optimized reactor configuration for optimal performance of the aromax catalyst for aromatics synthesis Chemistry; Metallurgy 0 Active
US10773958B2 Processes for removing polysulfanes and elemental sulfur from hydrogen sulfide Performing Operations; Transporting 0 Active

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