Inventor · Macedonia, OH, US

Dev D. Suresh

63Patents
15h-index
45Co-inventors
84Inventor score

Filing activity: Aug 20, 1973 → Aug 6, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US4148757A Process for forming multi-component oxide complex catalysts Emerging Cross-Sectional Technologies 73 Expired
US4162234A Oxidation catalysts Emerging Cross-Sectional Technologies 51 Expired
US4001317A Process for the oxidation of olefins using catalysts containing various promoter elements Chemistry; Metallurgy 48 Expired
US4212766A Process for forming multi-component oxide complex catalysts Performing Operations; Transporting 42 Expired
US5093299A Catalyst for process for the manufacture of acrylonitrile and methacrylonitrile Emerging Cross-Sectional Technologies 39 Expired
US5466652A Process for the preparation of vinyl acetate catalyst Performing Operations; Transporting 32 Expired
US4424141A Process for producing an oxide complex catalyst containing molybdenum and one of bismuth and tellurium Emerging Cross-Sectional Technologies 31 Expired
US5212137A Catalyst for the manufacture of acrylonitrile and methacrylonitrile Emerging Cross-Sectional Technologies 29 Expired
US4309361A Ammoxidation of olefins with novel antimonate catalysts Emerging Cross-Sectional Technologies 24 Expired
US4397771A Oxidation catalysts Emerging Cross-Sectional Technologies 23 Expired
US4065468A Manufacture of maleic anhydride from butane Performing Operations; Transporting 21 Expired
US4190608A Process for the oxidation of olefins using catalysts containing various promoter elements Performing Operations; Transporting 21 Expired
US5288473A Process for elimination of waste material during manufacture of acrylonitrile Chemistry; Metallurgy 19 Expired
US4052418A Preparation of maleic anhydride from four-carbon hydrocarbons Chemistry; Metallurgy 16 Expired
US3956378A Process for the manufacture of unsaturated aldehydes and acids from the corresponding olefins Emerging Cross-Sectional Technologies 15 Expired
US5258543A Method for ammoxidation of olefins Emerging Cross-Sectional Technologies 15 Expired
US5840648A Catalyst for the manufacture of acrylonitrile and hydrogen cyanide Emerging Cross-Sectional Technologies 15 Expired
US4746753A Preparation of acrylonitrile from propylene, oxygen and ammonia in the presence of an alkali metal promoted bismuth, cerium, molybdenum, tungsten catalyst Emerging Cross-Sectional Technologies 15 Expired
US4855275A Catalyst performance improvement via separate boron addition Emerging Cross-Sectional Technologies 15 Expired
US5175334A Process for the manufacture of acrylonitrile and methacrylonitrile Emerging Cross-Sectional Technologies 15 Expired
US4290920A Sb-containing catalysts by Sb-oxide impregnation Emerging Cross-Sectional Technologies 14 Expired
US4760159A Method for ammoxidation of paraffins and catalyst therefor Emerging Cross-Sectional Technologies 14 Expired
US5821192A Method of improving the attrition resistance of V/SB oxide based catalyst Performing Operations; Transporting 14 Expired
US4766232A Production of unsaturated nitriles using catalysts containing boron, gallium or indium Emerging Cross-Sectional Technologies 13 Expired
US4139552A Production of unsaturated nitriles Emerging Cross-Sectional Technologies 13 Expired

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