Inventor
KOVACH STEPHEN M
29 patents
Patents
29 patentsUS4432890AFeb 21, 1984
Immobilization of vanadia deposited on catalytic materials during carbo-metallic oil conversion
ASHLAND OIL INC65 citations95
US4551231ANov 5, 1985
Ammonia contacting to passivate metals deposited on a cracking catalyst during reduced crude processing
ASHLAND OIL INC28 citations92
US4549958AOct 29, 1985
Immobilization of vanadia deposited on sorbent materials during treatment of carbo-metallic oils
ASHLAND OIL INC38 citations92
US4480047AOct 30, 1984
High performance catalysts for carbometallic oil conversion and their manufacturing and use
ASHLAND OIL INC36 citations92
US4457833AJul 3, 1984
Process and catalyst for the conversion of carbo-metallic containing oils
ASHLAND OIL INC30 citations92
US4412914ANov 1, 1983
Endothermic removal of coke deposited on sorbent materials during carbo-metallic oil conversion
ASHLAND OIL INC34 citations92
US4405445ASep 20, 1983
Homogenization of water and reduced crude for catalytic cracking
ASHLAND OIL INC51 citations92
US3943053AMar 9, 1976
Selective hydrogenation of aromatics and olefins in hydrocarbon fractions
ASHLAND OIL INC50 citations90
US4588702AMay 13, 1986
High performance catalysts for carbometallic oil conversion and their manufacture and use
ASHLAND OIL INC22 citations81
US4513093AApr 23, 1985
Immobilization of vanadia deposited on sorbent materials during treatment of carbo-metallic oils
ASHLAND OIL INC19 citations81
US4485184ANov 27, 1984
Trapping of metals deposited on catalytic materials during carbometallic oil conversion
ASHLAND OIL INC24 citations81
US4450241AMay 22, 1984
Endothermic removal of coke deposited on catalytic materials during carbo-metallic oil conversion
ASHLAND OIL INC24 citations81
US4425259AJan 10, 1984
Endothermic removal of coke deposited on catalytic materials during carbo-metallic oil conversion
ASHLAND OIL INC25 citations81
US3965252AJun 22, 1976
Hydrogen production
ASHLAND OIL INC23 citations81
US4437981AMar 20, 1984
Immobilization and neutralization of contaminants in crude oil
ASHLAND OIL INC13 citations74
US4432863AFeb 21, 1984
Steam reforming of carbo-metallic oils
ASHLAND OIL INC20 citations74
US4407714AOct 4, 1983
Process for cracking high-boiling hydrocarbons using high pore volume, low density catalyst
ASHLAND OIL INC12 citations74
US4374019AFeb 15, 1983
Process for cracking high-boiling hydrocarbons using high ratio of catalyst residence time to vapor residence time
ASHLAND OIL INC11 citations74
US4750987AJun 14, 1988
Immobilization of vanadia deposited on catalytic materials during carbo-metallic oil conversion
ASHLAND OIL INC7 citations73
US4591425AMay 27, 1986
Cascading of fluid cracking catalysts
ASHLAND OIL INC16 citations73
US4561968ADec 31, 1985
Carbometallic oil conversion with zeolite y containing catalyst
ASHLAND OIL INC12 citations73
US4496665AJan 29, 1985
Process for cracking high-boiling hydrocarbons using continuous addition of acidity enhancing additives
ASHLAND OIL INC9 citations73
US4049576ASep 20, 1977
Platinum-palladium catalyst for selective hydrogenation of aromatics and olefins in hydrocarbon fractions
ASHLAND OIL INC15 citations71
US4489213ADec 18, 1984
Alumina catalyst for alkylating aromatics with olefins
ASHLAND OIL INC5 citations63
US4285835AAug 25, 1981
Catalyst for alkylating aromatics with olefins
ASHLAND OIL INC2 citations63
US4552647ANov 12, 1985
Process for cracking high-boiling hydrocarbons using continuous addition of acidity enhancing additives
ASHLAND OIL INC6 citations62
US4508839AApr 2, 1985
Catalyst for the conversion of carbo-metallic containing oils
ASHLAND OIL INC6 citations62
US3998897ADec 21, 1976
Selective hydrogenation of cyclopentadiene-norbornadiene mixtures
ASHLAND OIL INC5 citations60
US4219690AAug 26, 1980
Alkylation of aromatics with olefins in the presence of an alumina catalyst
ASHLAND OIL INC1 citations52