Inventor · Pittsburgh, PA, US

Angelo A. Montagna

40Patents
14h-index
55Co-inventors
84Inventor score

Filing activity: Apr 18, 1974 → Oct 16, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5266392A Plastomer compatibilized polyethylene/polypropylene blends Emerging Cross-Sectional Technologies 111 Expired
US5652308A Tackifiers and a process to obtain tackifiers Emerging Cross-Sectional Technologies 55 Expired
US4721558A Hydrotreating catalysts comprising a mixture of a sulfide of a promoter metal amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfide Chemistry; Metallurgy 53 Expired
US6297301A Thermoplastic elastomer compositions having improved processing properties Chemistry; Metallurgy 50 Expired
US4062757A Residue thermal cracking process in a packed bed reactor Chemistry; Metallurgy 35 Expired
US4595670A Zeolite catalyst Performing Operations; Transporting 23 Expired
US4824820A Hydrotreating catalysts comprising a mixture of a sulfide of a promoter metal, amorphous sulfide of trivalent chromium and microcrystalline molybdenum or tungsten sulfide Chemistry; Metallurgy 22 Expired
US4544674A Cobalt-promoted fischer-tropsch catalysts Emerging Cross-Sectional Technologies 22 Expired
US4487967A Process for preparing secondary aminoether alcohols Chemistry; Metallurgy 20 Expired
US3997426A Process for the conversion of carbonaceous materials Performing Operations; Transporting 20 Expired
US4665195A Process for preparing di-amino-polyalkenyl ethers Chemistry; Metallurgy 16 Expired
US4634517A Zeolite catalyst and process for using said catalyst (C-1591) Performing Operations; Transporting 15 Expired
US3997431A Hydrodesulfurization process employing a titanium promoted catalyst Chemistry; Metallurgy 15 Expired
US4111796A Method for presulfiding hydrodesulfurization catalysts Performing Operations; Transporting 15 Expired
US4057488A Catalytic pour point reduction of petroleum hydrocarbon stocks Chemistry; Metallurgy 14 Expired
US4080286A Hydrodesulfurization process employing a Group IV-B promoted catalyst Chemistry; Metallurgy 14 Expired
US4052296A Hydrogenation process employing a zinc promoted catalyst Chemistry; Metallurgy 14 Expired
US4081361A Process for the conversion of carbonaceous materials Chemistry; Metallurgy 11 Expired
US5130371A Crystalline polyolefin graft copolymers Chemistry; Metallurgy 10 Expired
US4499204A Leached catalyst for ammonia synthesis Emerging Cross-Sectional Technologies 10 Expired
US4532229A Process for preparing a Fe-Co catalyst slurry system for alpha olefin production Emerging Cross-Sectional Technologies 9 Expired
US3966642A Hydrocarbon conversion catalyst Chemistry; Metallurgy 8 Expired
US4536380A Process for conducting reactions using a circulating magnetically stabilized bed to control reaction temperature profile Emerging Cross-Sectional Technologies 7 Expired
US4017380A Sequential residue hydrodesulfurization and thermal cracking operations in a common reactor Chemistry; Metallurgy 7 Expired
US4537867A Promoted iron-cobalt spinel catalyst for Fischer-Tropsch processes Emerging Cross-Sectional Technologies 7 Expired

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