Inventor
ZINNEN HERMANN A
US37 patents
⚠️ This page may combine multiple inventors who share the name “ZINNEN HERMANN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UOP INC
34 patentsUS5225580AJul 6, 1993
Process for separating fatty acids and triglycerides
UOP INC62 citations96
US4642397AFeb 10, 1987
Process for separating isomers of dinitrotoluene
UOP INC66 citations94
US5719322AFeb 17, 1998
Zeolitic capillary columns for gas chromatography
UOP INC50 citations92
US5057643AOct 15, 1991
Zeolitic para-xylene separation with tetralin derivatives as heavy desorbent
UOP INC25 citations92
US4940548AJul 10, 1990
Chromatographic separation process for recovering individual diethyltoluene isomers
UOP INC24 citations92
US4940830AJul 10, 1990
Rejective separation of para-xylene from xylene isomers and ethylbenzene with zeolites
UOP INC24 citations92
US4797233AJan 10, 1989
Process for separating mono-, di- and triglycerides
UOP INC30 citations92
US4770819ASep 13, 1988
Process for separating di- and triglycerides
UOP INC27 citations92
US4605783AAug 12, 1986
Process for separating monoterpenes
UOP INC34 citations92
US5177295AJan 5, 1993
Process for separating para-xylene from a C8 and C9 aromatic mixture
UOP INC31 citations90
US5149887ASep 22, 1992
Separation of alkyl-substituted phenolic isomers with barium-potassium exchanged zeolitic adsorbent
UOP INC20 citations82
US5107062AApr 21, 1992
Zeolitic para-xylene separation with tetralin derivatives as heavy desorbent
UOP INC21 citations82
US4886930ADec 12, 1989
Zeolitic para-xylene separation with tetralin heavy desorbent
UOP INC23 citations82
US4864069ASep 5, 1989
Zeolitic para-xylene separation with diethyltoluene heavy desorbent
UOP INC17 citations82
US5159131AOct 27, 1992
Zeolitic para-xylene separation with indan and indan derivatives as heavy desorbent
UOP INC8 citations74
US5102582AApr 7, 1992
Process for separating fatty acids and triglycerides
UOP INC15 citations74
US5012038AApr 30, 1991
Zeolitic para-xylene separation with diethyltoluene heavy desorbent
UOP INC15 citations74
US4956522ASep 11, 1990
Zeolitic para-ethyltoluene separation with tetralin heavy desorbent
UOP INC10 citations74
US4721807AJan 26, 1988
Process for separating 2,6-toluene diisocyanate from isomers of toluene diisocyanate
UOP INC12 citations74
US4721806AJan 26, 1988
Process for separating 2,4-toluene diisocyanate from isomers of toluene diisocyanate
UOP INC14 citations74
US4633018ADec 30, 1986
Process for separating isomers of toluenediamine
UOP INC10 citations74
US4480129AOct 30, 1984
Process for separating isomers of toluidine
UOP INC16 citations74
US4467126AAug 21, 1984
Process for the separation of di-substituted benzene
UOP INC13 citations74
US4992621AFeb 12, 1991
Separation of coumarone from indene
UOP INC2 citations63
US4827049AMay 2, 1989
Process for the separation of dihydroxybenzene isomers
UOP INC3 citations63
US4784807ANov 15, 1988
Process for separating triglylcerides by degree of unsaturation
UOP INC6 citations63
US4794202ADec 27, 1988
Process for separating halogen substituted toluene isomers
UOP INC4 citations60
US4717778AJan 5, 1988
Process for separating the minor isomers of dinitrotoluene
UOP INC5 citations60
US4714783ADec 22, 1987
Separation of nitrobenzaldehyde isomers
UOP INC4 citations60
US5019271AMay 28, 1991
Extractive chromatographic separation process for recovering 3,5-diethyltoluene
UOP INC1 citations52
US4827077AMay 2, 1989
Separation of indene from alkyl aromatics
UOP INC1 citations52
US4620047AOct 28, 1986
Process for the separation of ortho-nitrotoluene
UOP INC0 citations52
US4594423AJun 10, 1986
Separation of picoline isomers
UOP INC0 citations52
US4962273AOct 9, 1990
Purification of alpha naphthol-containing feedstock by adsorption
UOP INC1 citations49