DH

Dennis L. Holtermann

Chevron: 34 patents #83 of 4,788Top 2%
Overall (All Time): #94,392 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 25 most recent of 36 patents

Patent #TitleCo-InventorsDate
9944736 Processes for preparing metallocene-based catalyst systems Ted H. Cymbaluk, Max P. McDaniel, Qing Yang 2018-04-17
9493592 Processes for preparing metallocene-based catalyst systems Ted H. Cymbaluk, Max P. McDaniel, Qing Yang, Tony R. Crain 2016-11-15
9347139 Methods of removing a protective layer Tin-Tack Peter Cheung, Christopher D. Blessing, Lawrence E. Huff, Joseph Bergmeister, III, Robert L. Hise +2 more 2016-05-24
8569555 Method of enhancing an aromatization catalyst Christopher D. Blessing, Scott H. Brown, Tin-Tack Peter Cheung, David J. Glova, Daniel M. Hasenberg +2 more 2013-10-29
8535448 Methods of removing a protective layer Tin-Tack Peter Cheung, Christopher D. Blessing, Lawrence E. Huff, Joseph Bergmeister, III, Robert L. Hise +2 more 2013-09-17
8362310 Method of enhancing an aromatization catalyst Christopher D. Blessing, Scott H. Brown, Tin-Tack Peter Cheung, David J. Glova, Daniel M. Hasenberg +2 more 2013-01-29
7932425 Method of enhancing an aromatization catalyst Christopher D. Blessing, Scott H. Brown, Tin-Tack Peter Cheung, David J. Glova, Daniel M. Hasenberg +2 more 2011-04-26
6551660 Method for removing reactive metal from a reactor system Hong Chiu Chen, Richard M Wolpert, Charles R. Wilson, Daniel P. Hagewiesche 2003-04-22
6419986 Method for removing reactive metal from a reactor system Hong Chiu Chen, Richard M Wolpert, Charles R. Wilson, Daniel P. Hagewiesche 2002-07-16
6207042 Reforming using a bound halided zeolite catalyst Charles R. Wilson, Wayne S. Masumura, Michio Sugimoto, Hiroshi Ohashi 2001-03-27
6190539 Reforming using a bound halided zeolite catalyst Charles R. Wilson, Wayne S. Masumura, Michio Sugimoto, Hiroshi Ohashi 2001-02-20
6005154 Isomerization process using zeolite SSZ-25 Stacey I. Zones, Robert A. Innes, Theresa A. Pecoraro, Donald S. Santilli, James N. Ziemer 1999-12-21
5914028 Reforming process with catalyst pretreatment Charles R. Wilson 1999-06-22
5883031 Low temperature regeneration of coke deactivated reforming catalysts Robert A. Innes, Bernard F. Mulaskey 1999-03-16
5693215 Low-Aluminum boron beta zeolite Stacey I. Zones, Lawrence W. Jossens, Donald S. Santilli, Andrew Rainis, James N. Ziemer 1997-12-02
5691463 Alkylation process using zeolite SSZ-25 Stacey I. Zones, Robert A. Innes, Theresa A. Pecoraro, Donald S. Santilli, James N. Ziemer 1997-11-25
5591322 Dewaxing process using zeolite SSZ-25 Stacey I. Zones, Robert A. Innes, Theresa A. Pecoraro, Donald S. Santilli, James N. Ziemer 1997-01-07
5518607 Sulfur removal systems for protection of reforming catalysts Leslie A. Field, Ann Marie K. Hall, Richard C. Robinson, Robert L. Jacobson, Warren E. Brown 1996-05-21
5516421 Sulfur removal Warren E. Brown, John V. Heyse 1996-05-14
5439583 Sulfur removal systems for protection of reforming crystals Richard C. Robinson, Robert L. Jacobson, Harris E. Kluksdahl, William A. Blanton, Jr., Leslie A. Field 1995-08-08
5421992 Hydrocarbon conversion process using zeolite SSZ-25 Stacey I. Zones, Robert A. Innes, Theresa A. Pecoraro, Donald S. Santilli, James N. Ziemer 1995-06-06
5397454 Hydrocarbon conversion process using zeolite SSZ-32 having constraint index of 13 or greater Stacey I. Zones, James N. Ziemer, Donald S. Santilli, Robert A. Innes 1995-03-14
5393407 Hydrocarbon conversion utilizing a low-aluminum boron beta zeolite Stacey I. Zones, Lawrence W. Jossens, Donald S. Santilli, Andrew Rainis 1995-02-28
5322615 Method for removing sulfur to ultra low levels for protection of reforming catalysts Warren E. Brown 1994-06-21
5300210 Hydrocarbon conversion process using zeolite SSZ-32 as catalyst Stacey I. Zones, James N. Ziemer, Donald S. Santilli, Robert A. Innes 1994-04-05