P

Inventor

ENGEL DUSAN J

19 patents

Patents

19 patents
US4647704AMar 3, 1987

Hydrocracking process for liquefaction of lignin

UOP INC60 citations96
US5350879ASep 27, 1994

Transesterification using metal oxide solid solutions as the basic catalyst

UOP INC45 citations92
US5057206AOct 15, 1991

Process for the production of white oils

UOP INC51 citations92
US4731491AMar 15, 1988

Process for liquefaction of lignin

UOP INC29 citations92
US4323714AApr 6, 1982

Alkylation of hydroxy-substituted aromatic compounds

UOP INC30 citations92
US4806616AFeb 21, 1989

N-N'-dialkylphenylenediamines as curing agents in polyurethane and polyurea manufacture by reaction injection molding

UOP INC23 citations81
US5019662AMay 28, 1991

Process for the production of white oil from heavy aromatic alkylate

UOP INC18 citations74
US4691063ASep 1, 1987

Isomerization of cresols

UOP INC12 citations73
US4433194AFeb 21, 1984

Purification of cyclohexane

UOP INC8 citations73
US4323713AApr 6, 1982

Preparation of mono-tertiary butylhydroquinone

UOP INC7 citations73
US4251675AFeb 17, 1981

Preparation of diphenylmethane

UOP INC18 citations73
US4503269AMar 5, 1985

Isomerization of cresols

UOP INC12 citations72
US4499300AFeb 12, 1985

4-Vinylbenzeneacetic acid

UOP INC4 citations63
US4323715AApr 6, 1982

Preparation of mono-tertiary butylhydroquinone

UOP INC2 citations63
US4948861AAug 14, 1990

N,N'-dialkylphenylenediamines as curing agents in polyurethane and polyurea manufacture by reaction injection molding

UOP INC3 citations62
US4544796AOct 1, 1985

Solvent extraction of aromatic compounds using alkylsulfoxide solvents

UOP INC4 citations62
US4124643ANov 7, 1978

Preparation of 3-fluorosalicylaldehyde

UOP INC2 citations61
US5296632AMar 22, 1994

Continuous reduction of a hindered nitro moiety in aliphatic nitro polyamines

UOP INC2 citations56
US4973782ANov 27, 1990

Preparation of 2,2-diethyltoluene

UOP INC1 citations52