Inventor · disambiguated record
Dennis L. Holtermann
Also filed as: HOLTERMANN DENNIS L
36 granted patents·1,419 citations·filing 1988–2016
98Inventor score
Files withCHEVRON RES & TECH8CHEVRON RES6CHEVRON USA INC6CHEVRON PHILLIPS CHEMICAL CO5CHEVRON CHEM CO4
Top patents by PatentIndex Score
36 records- 0199US4910006AZeolite SSZ-26CHEVRON RES·Filed 1988·Granted Mar 20, 1990·241 cites·12 claims
- 0298US5149894AAlkylation using zeolite SSZ-25CHEVRON RES & TECH·Filed 1991·Granted Sep 22, 1992·154 cites·54 claims
- 0397US9493592B2Processes for preparing metallocene-based catalyst systemsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2015·Granted Nov 15, 2016·8 cites·20 claims
- 0497US7932425B2Method of enhancing an aromatization catalystCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Apr 26, 2011·71 cites·20 claims
- 0595US8362310B2Method of enhancing an aromatization catalystCHEVRON PHILLIPS CHEMICAL CO·Filed 2011·Granted Jan 29, 2013·21 cites·34 claims
- 0694US9944736B2Processes for preparing metallocene-based catalyst systemsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2016·Granted Apr 17, 2018·4 cites·21 claims
- 0794US5300210AHydrocarbon conversion process using zeolite SSZ-32 as catalystCHEVRON RES & TECH·Filed 1993·Granted Apr 5, 1994·56 cites·16 claims
- 0892US8569555B2Method of enhancing an aromatization catalystBLESSING CHRISTOPHER D·Filed 2011·Granted Oct 29, 2013·20 cites·23 claims
- 0991US6207042B1Reforming using a bound halided zeolite catalystCHEVRON CHEM CO·Filed 1998·Granted Mar 27, 2001·88 cites·17 claims
- 1091US6190539B1Reforming using a bound halided zeolite catalystCHEVRON CHEM CO·Filed 1998·Granted Feb 20, 2001·109 cites·21 claims
- 1189US5322615AMethod for removing sulfur to ultra low levels for protection of reforming catalystsCHEVRON RES & TECH·Filed 1991·Granted Jun 21, 1994·63 cites·46 claims
- 1289US5155075ALow temperature regeneration of coke deactivated reforming catalystsCHEVRON RES & TECH·Filed 1991·Granted Oct 13, 1992·68 cites·2 claims
- 1388US5397454AHydrocarbon conversion process using zeolite SSZ-32 having constraint index of 13 or greaterCHEVRON USA INC·Filed 1994·Granted Mar 14, 1995·46 cites·17 claims
- 1488US5202014AZeolite SSZ-25CHEVRON RES & TECH·Filed 1991·Granted Apr 13, 1993·49 cites·34 claims
- 1587US5166111ALow-aluminum boron beta zeoliteCHEVRON RES·Filed 1990·Granted Nov 24, 1992·33 cites·18 claims
- 1685US5082988AIsomerization catalyst and process for its useCHEVRON CORP·Filed 1989·Granted Jan 21, 1992·20 cites·7 claims
- 1784US5693215ALow-Aluminum boron beta zeoliteCHEVRON USA INC·Filed 1996·Granted Dec 2, 1997·18 cites·4 claims
- 1883US6551660B2Method for removing reactive metal from a reactor systemCHEVRON PHILLIPS CHEMICAL CO·Filed 2001·Granted Apr 22, 2003·30 cites·12 claims
- 1982US5200377AZeolite SSZ-28CHEVRON RES & TECH·Filed 1992·Granted Apr 6, 1993·43 cites·13 claims
- 2081US8535448B2Methods of removing a protective layerHOLTERMANN DENNIS L·Filed 2011·Granted Sep 17, 2013·5 cites·26 claims
- 2177US5518607ASulfur removal systems for protection of reforming catalystsFiled 1993·Granted May 21, 1996·32 cites·15 claims
- 2275US5883031ALow temperature regeneration of coke deactivated reforming catalystsCHEVRON CHEM CO·Filed 1995·Granted Mar 16, 1999·40 cites·29 claims
- 2372US5114565AReforming naphtha with boron-containing large-pore zeolitesCHEVRON RES & TECH·Filed 1991·Granted May 19, 1992·27 cites·31 claims
- 2472US5007997AZeolite SSZ-26CHEVRON RES·Filed 1989·Granted Apr 16, 1991·27 cites·19 claims
- 2571US5591322ADewaxing process using zeolite SSZ-25CHEVRON USA INC·Filed 1995·Granted Jan 7, 1997·9 cites·1 claims
- 2667US6419986B1Method for removing reactive metal from a reactor systemCHEVRON PHILLIPS CHEMICAL CO·Filed 1997·Granted Jul 16, 2002·27 cites·40 claims
- 2765US5120425AUse of zeolite SSZ-33 in hydrocarbon conversion processesCHEVRON RES·Filed 1990·Granted Jun 9, 1992·23 cites·30 claims
- 2857US9347139B2Methods of removing a protective layerCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted May 24, 2016·0 cites·18 claims
- 2954US5393407AHydrocarbon conversion utilizing a low-aluminum boron beta zeoliteCHEVRON RES·Filed 1992·Granted Feb 28, 1995·10 cites·15 claims
- 3054US5166112AIsomerization catalyst and process for its useCHEVRON RES·Filed 1991·Granted Nov 24, 1992·13 cites·5 claims
- 3153US5516421ASulfur removalFiled 1994·Granted May 14, 1996·14 cites·29 claims
- 3252US5914028AReforming process with catalyst pretreatmentCHEVRON CHEM CO·Filed 1997·Granted Jun 22, 1999·14 cites·19 claims
- 3352US5439583ASulfur removal systems for protection of reforming crystalsCHEVRON RES & TECH·Filed 1993·Granted Aug 8, 1995·11 cites·25 claims
- 3449US5421992AHydrocarbon conversion process using zeolite SSZ-25CHEVRON USA INC·Filed 1992·Granted Jun 6, 1995·8 cites·13 claims
- 3547US6005154AIsomerization process using zeolite SSZ-25CHEVRON USA INC·Filed 1997·Granted Dec 21, 1999·10 cites·2 claims
- 3646US5691463AAlkylation process using zeolite SSZ-25CHEVRON USA INC·Filed 1996·Granted Nov 25, 1997·7 cites·4 claims
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