Inventor

Lee Hilfman

Inventor

Mount Prospect, IL, US

Overview

43→

Patents

1976–1990

Patent span

Chemistry

Primary field (CPC C)

Patents· 43 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Gprimary

C10GCracking hydrocarbon oils45%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%

C07CAcyclic or carbocyclic compounds9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents2%

Y02PClimate change mitigation technologies in the production or processing of goods2%

PatentTitleYear

4,952,746'Process for the removal of hydrogenatable hydrocarbonaceous compounds from a hydrocarbonaceous stream and hydrogenating these compounds'1990 4,849,095'Process for hydrogenating a hydrocarbonaceous charge stock'1989 4,840,722'Non-catalytic process for the conversion of a hydrocarbonaceous stream containing halogenated organic compounds'1989 4,747,937'Process for the removal of hydrogenatable hydrocarbonaceous compounds from a hydrocarbonaceous stream and hydrogenating these compounds'1988 4,719,007'Process for hydrotreating a hydrocarbonaceous charge stock'1988 4,632,749'Fluid catalytic cracking hydrocarbon conversion process'1986 4,610,776'Coal liquefaction process'1986 4,501,655'Hydrocracking process'1985 4,464,481'Hydrocracking catalyst'1984 4,449,586'Process for the recovery of hydrocarbons from oil shale'1984 4,438,816'Process for recovery of hydrocarbons from oil shale'1984 4,422,959'Hydrocracking process and catalyst'1983 4,405,447'Method for the removal of metal from a hydrocarbon solution containing metal alkaryl sulfonate'1983 4,402,825'Method for the removal of metal alkaryl sulfonate from hydrocarbons'1983 4,225,418'Hydroprocessing of hydrocarbons'1980 4,210,522'Hydrocracking catalyst'1980 4,209,384'Hydrocarbon hydroprocessing'1980 4,202,758'Hydroprocessing of hydrocarbons'1980 4,202,996'Hydrocarbon isomerization process'1980 4,198,286'Hydrocracking catalyst selective to middle distillate'1980 4,194,058'Process for the conversion of aromatic hydrocarbons'1980 4,179,356'Hydrocracking with catalyst modified by Group IIA'1979 4,175,033'Hydroprocessing of hydrocarbons over nickel, moly, platinum catalyst'1979 4,169,783'Hydrocarbon conversion catalytic composite'1979 4,157,292'Hydrocracking process to maximize middle distillate'1979 4,148,759'Hydrocarbon conversion catalytic composite'1979 4,141,860'Hydrocracking catalyst'1979 4,121,996'Hydrocracking process for the production of LPG'1978 4,110,203'Desulfurization process of a hydrocarbon distillate containing mono-olefins and aromatics'1978 4,110,205'Process for hydrogenating a coke-forming hydrocarbon distillate'1978 4,104,152'Hydrogenation process with sulfided catalyst'1978 4,100,058'Hydroprocessing of hydrocarbons'1978 4,061,563'Hydrocracking of hydrocarbons'1977 4,013,545'Hydrogenation of hydrocarbons utilizing a pretreated cobalt-molybdenum catalyst'1977 4,009,120'Process for the regeneration of a solid bed metal phthalocyanine catalyst system'1977 4,003,956'Hydroprocessing aromatics to cycloparaffins'1977 3,981,796'Desulfurization of black oil utilizing a pretreated cobalt-molybdenum catalyst'1976 3,972,833'Hydrotreating catalyst'1976 3,963,601'Hydrocracking of hydrocarbons with a catalyst comprising an alumina-silica support, a group VIII metallic component, a group VI-B metallic component and a fluoride'1976 3,963,600'Combination process for the conversion of heavy distillates to LPG'1976 3,956,104'Hydrocracking process'1976 3,933,683'Pretreatment of catalyst employed in the hydrogenation of hydrocarbons'1976 3,931,048'Hydrocarbon conversion catalytic composite'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1990Patents assigned to UOP INC (37)· patent assignee history

1976Patents assigned to UNIVERSAL OIL PROD CO (6)· patent assignee history

1976–1990Based in Mount Prospect, IL, US· patent location history

1976Based in Arlington Heights, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UOP INC	37	1976–1990
UNIVERSAL OIL PROD CO	6	1976

Locations

Location	Patents	Span
Mount Prospect, Illinois, US	42	1976–1990
Arlington Heights, Illinois, US	1	1976