Inventor · Pittsburgh, PA, US

John J. Stanulonis

11Patents
7h-index
10Co-inventors
55Inventor score

Filing activity: Jul 21, 1978 → Jul 17, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4158621A Process for increasing gasoline yield and quality during catalytic cracking of high metals content charge stocks using an alumina-aluminum phosphate-silica-zeolite catalyst Performing Operations; Transporting 66 Expired
US4228036A Alumina-aluminum phosphate-silica-zeolite catalyst Performing Operations; Transporting 46 Expired
US4179358A Fluid cracking catalyst process using a zeolite dispersed in a magnesia-alumina-aluminum phosphate matrix Chemistry; Metallurgy 41 Expired
US4222896A Magnesia-alumina-aluminum phosphate-zeolite catalyst Performing Operations; Transporting 26 Expired
US4328128A Hydrotreating catalyst and manufacture thereof Chemistry; Metallurgy 10 Expired
US4318801A Supported nickel-molybdenum catalyst, preparation thereof, and hydrodesulfurization of hydrocarbon fractions using same Performing Operations; Transporting 8 Expired
US4758544A Catalyst composition and hydroprocessing of oils using same Performing Operations; Transporting 7 Expired
US4280818A Novel compositions of matter and process for utilizing same Chemistry; Metallurgy 3 Expired
US4285807A Lubricating oil hydrotreating process Chemistry; Metallurgy 3 Expired
US4399058A Impregnating solution for hydrogenation catalyst manufacture and production thereof Performing Operations; Transporting 3 Expired
US4285836A Impregnating solution for hydrotreating catalyst manufacture and production thereof Chemistry; Metallurgy 0 Expired

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