Inventor · West Chester, PA, US

James C. Vartuli

76Patents
22h-index
74Co-inventors
91Inventor score

Filing activity: Dec 13, 1979 → Aug 26, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US4810357A Catalytic dewaxing of light and heavy oils in dual parallel reactors Chemistry; Metallurgy 60 Expired
US4547605A Catalyst for alkylation of aromatic hydrocarbons Chemistry; Metallurgy 58 Expired
US4574043A Catalytic process for manufacture of low pour lubricating oils Performing Operations; Transporting 56 Expired
US5780703A Process for producing low aromatic diesel fuel with high cetane index Chemistry; Metallurgy 45 Expired
US5552128A Selective catalytic reduction of nitrogen oxides Chemistry; Metallurgy 45 Expired
US4605488A Catalytic dewaxing of light and heavy oils in dual parallel reactors Chemistry; Metallurgy 41 Expired
US5145816A Method for functionalizing synthetic mesoporous crystalline material Performing Operations; Transporting 41 Expired
US5246689A Synthetic porous crystalline material its synthesis and use Performing Operations; Transporting 39 Expired
US5264203A Synthetic mesoporous crystalline materials Performing Operations; Transporting 36 Expired
US4694114A Process for isomerizing alkyl aromatic hydrocarbons utilizing ZSM-23 zeolite and a hydrogenation/dehydrogenation metal Emerging Cross-Sectional Technologies 36 Expired
US5160500A Zeolite synthesis using an alcohol or like molecules Chemistry; Metallurgy 31 Expired
US7803338B2 Method and apparatus for combination catalyst for reduction of NOx in combustion products Mechanical Engineering; Lighting; Heating 31 Active
US5510309A Method for preparing a modified solid oxide Chemistry; Metallurgy 30 Expired
US6114551A Olefin epoxidation catalysts Performing Operations; Transporting 28 Expired
US6489529B1 Production of monocycloalkyl aromatic compounds Chemistry; Metallurgy 26 Expired
US5156829A Method for stabilizing synthetic mesoporous crystalline material Performing Operations; Transporting 26 Expired
US6124232A Method for preparing an acidic solid oxide Performing Operations; Transporting 24 Expired
US4935566A Dehydrocyclization and reforming process Chemistry; Metallurgy 24 Expired
US5451387A Selective catalytic reduction of nitrogen oxides using an iron impregnated zeolite catalyst Performing Operations; Transporting 24 Expired
US5238676A Method for modifying synthetic mesoporous crystalline materials Performing Operations; Transporting 23 Expired
US5143707A Selective catalytic reduction (SCR) of nitrogen oxides Performing Operations; Transporting 23 Expired
US5837639A Hydroprocessing catalyst Performing Operations; Transporting 22 Expired
US4886926A Catalytic dehydrogenation of hydrocarbons over tin-containing crystalline microporous materials Chemistry; Metallurgy 22 Expired
US6169215A Production of phenol Emerging Cross-Sectional Technologies 20 Expired
US5491273A Catalytic conversion of methanol to linear olefins Chemistry; Metallurgy 20 Expired

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