Inventor · disambiguated record
Hermann A. Zinnen
Also filed as: ZINNEN HERMANN A
37 granted patents·805 citations·filing 1983–1996
98Inventor score
Top patents by PatentIndex Score
37 records- 0197US4810266ACarbon dioxide removal using aminated carbon molecular sievesALLIED SIGNAL INC·Filed 1988·Granted Mar 7, 1989·197 cites·24 claims
- 0294US4642397AProcess for separating isomers of dinitrotolueneUOP INC·Filed 1985·Granted Feb 10, 1987·66 cites·12 claims
- 0392US4605783AProcess for separating monoterpenesUOP INC·Filed 1985·Granted Aug 12, 1986·34 cites·12 claims
- 0490US5225580AProcess for separating fatty acids and triglyceridesUOP INC·Filed 1990·Granted Jul 6, 1993·62 cites·16 claims
- 0589US5057643AZeolitic para-xylene separation with tetralin derivatives as heavy desorbentUOP INC·Filed 1989·Granted Oct 15, 1991·25 cites·12 claims
- 0689US4886930AZeolitic para-xylene separation with tetralin heavy desorbentUOP INC·Filed 1988·Granted Dec 12, 1989·23 cites·12 claims
- 0788US4940548AChromatographic separation process for recovering individual diethyltoluene isomersUOP INC·Filed 1989·Granted Jul 10, 1990·24 cites·28 claims
- 0887US4940830ARejective separation of para-xylene from xylene isomers and ethylbenzene with zeolitesUOP INC·Filed 1988·Granted Jul 10, 1990·24 cites·4 claims
- 0986US5177295AProcess for separating para-xylene from a C8 and C9 aromatic mixtureUOP INC·Filed 1991·Granted Jan 5, 1993·31 cites·9 claims
- 1085US4864069AZeolitic para-xylene separation with diethyltoluene heavy desorbentUOP INC·Filed 1988·Granted Sep 5, 1989·17 cites·14 claims
- 1183US5107062AZeolitic para-xylene separation with tetralin derivatives as heavy desorbentUOP INC·Filed 1991·Granted Apr 21, 1992·21 cites·10 claims
- 1282US5149887ASeparation of alkyl-substituted phenolic isomers with barium-potassium exchanged zeolitic adsorbentUOP INC·Filed 1990·Granted Sep 22, 1992·20 cites·6 claims
- 1382US4480129AProcess for separating isomers of toluidineUOP INC·Filed 1983·Granted Oct 30, 1984·16 cites·6 claims
- 1481US4770819AProcess for separating di- and triglyceridesUOP INC·Filed 1987·Granted Sep 13, 1988·27 cites·7 claims
- 1580US5012038AZeolitic para-xylene separation with diethyltoluene heavy desorbentUOP INC·Filed 1989·Granted Apr 30, 1991·15 cites·12 claims
- 1679US5719322AZeolitic capillary columns for gas chromatographyUOP INC·Filed 1996·Granted Feb 17, 1998·50 cites·12 claims
- 1778US4721806AProcess for separating 2,4-toluene diisocyanate from isomers of toluene diisocyanateUOP INC·Filed 1987·Granted Jan 26, 1988·14 cites·4 claims
- 1878US4467126AProcess for the separation of di-substituted benzeneUOP INC·Filed 1983·Granted Aug 21, 1984·13 cites·10 claims
- 1976US4721807AProcess for separating 2,6-toluene diisocyanate from isomers of toluene diisocyanateUOP INC·Filed 1987·Granted Jan 26, 1988·12 cites·4 claims
- 2072US4956522AZeolitic para-ethyltoluene separation with tetralin heavy desorbentUOP INC·Filed 1989·Granted Sep 11, 1990·10 cites·6 claims
- 2172US4633018AProcess for separating isomers of toluenediamineUOP INC·Filed 1985·Granted Dec 30, 1986·10 cites·13 claims
- 2271US4797233AProcess for separating mono-, di- and triglyceridesUOP INC·Filed 1986·Granted Jan 10, 1989·30 cites·10 claims
- 2365US5159131AZeolitic para-xylene separation with indan and indan derivatives as heavy desorbentUOP INC·Filed 1991·Granted Oct 27, 1992·8 cites·5 claims
- 2464US5102582AProcess for separating fatty acids and triglyceridesUOP INC·Filed 1990·Granted Apr 7, 1992·15 cites·10 claims
- 2564US4922044APurification of chloroformALLIED SIGNAL INC·Filed 1988·Granted May 1, 1990·7 cites·9 claims
- 2654US4717778AProcess for separating the minor isomers of dinitrotolueneUOP INC·Filed 1985·Granted Jan 5, 1988·5 cites·10 claims
- 2752US5118876ASeparation of dichlorophenol isomers with zeolite adsorbentsZINNEN HERMANN A·Filed 1989·Granted Jun 2, 1992·7 cites·16 claims
- 2851US4714783ASeparation of nitrobenzaldehyde isomersUOP INC·Filed 1986·Granted Dec 22, 1987·4 cites·20 claims
- 2950US4794202AProcess for separating halogen substituted toluene isomersUOP INC·Filed 1985·Granted Dec 27, 1988·4 cites·11 claims
- 3049US4827049AProcess for the separation of dihydroxybenzene isomersUOP INC·Filed 1988·Granted May 2, 1989·3 cites·10 claims
- 3149US4784807AProcess for separating triglylcerides by degree of unsaturationUOP INC·Filed 1987·Granted Nov 15, 1988·6 cites·17 claims
- 3244US4992621ASeparation of coumarone from indeneUOP INC·Filed 1989·Granted Feb 12, 1991·2 cites·16 claims
- 3338US4962273APurification of alpha naphthol-containing feedstock by adsorptionUOP INC·Filed 1988·Granted Oct 9, 1990·1 cites·31 claims
- 3434US4594423ASeparation of picoline isomersUOP INC·Filed 1984·Granted Jun 10, 1986·0 cites·19 claims
- 3533US4620047AProcess for the separation of ortho-nitrotolueneUOP INC·Filed 1984·Granted Oct 28, 1986·0 cites·5 claims
- 3631US5019271AExtractive chromatographic separation process for recovering 3,5-diethyltolueneUOP INC·Filed 1989·Granted May 28, 1991·1 cites·6 claims
- 3730US4827077ASeparation of indene from alkyl aromaticsUOP INC·Filed 1988·Granted May 2, 1989·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →