DS

David L. Stern

EX ExxonMobil: 71 patents #68 of 10,161Top 1%
📍 Yardley, PA: #13 of 643 inventorsTop 3%
🗺 Pennsylvania: #290 of 74,527 inventorsTop 1%
Overall (All Time): #26,553 of 4,157,543Top 1%
74
Patents All Time

Issued Patents All Time

Showing 26–50 of 74 patents

Patent #TitleCo-InventorsDate
7247762 Process for xylene isomerization and ethylbenzene conversion 2007-07-24
7238636 High temperature calcination of selectivated molecular sieve catalysts for activity and diffusional modification Jeffrey S. Beck, William G. Borghard, Arthur W. Chester, Carrie L. Kennedy 2007-07-03
7214840 Reduction of the Bromine Index of linear alkylbenzenes Frederick Y. Lo, Ronald J. Cimini, James L. Propp 2007-05-08
7166756 Method for hydrocarbon isomerization Madhav Acharya 2007-01-23
7148391 Heavy aromatics processing John S. Buchanan, Ronald J. Cimini, Frank Wenyih Lai, Jose G. Santiesteban, David A. Stachelczyk +3 more 2006-12-12
7115538 Ethylbenzene conversion catalyst and process John S. Buchanan, Robert A. Crane, Doron Levin, Daria N. Lissy, Gary D. Mohr 2006-10-03
6888037 Process for producing cumene Ajit B. Dandekar, Michael Hryniszak 2005-05-03
6878654 Reactivation of aromatics alkylation catalysts Ajit B. Dandekar, Michael Hryniszak, Jeffrey S. Beck, Kathleen M. Keville 2005-04-12
6781025 Reactivation of aromatics alkylation catalysts Ajit B. Dandekar, Michael Hryniszak, Jeffrey S. Beck 2004-08-24
6777583 Binderless ex situ selectivated zeolite catalyst Jeffrey S. Beck, Jane C. Cheng, Sharon B. McCullen, David H. Olson 2004-08-17
6660896 Isomerization of ethylbenzene and xylenes John S. Buchanan, Xiaobing Feng, Gary D. Mohr 2003-12-09
6610264 Process and system for desulfurizing a gas stream John S. Buchanan, Joseph F. Sodomin, III, Gerald J. Teitman 2003-08-26
6576582 Binderless ex situ selectivated zeolite catalyst Jeffrey S. Beck, Jane C. Cheng, Sharon B. McCullen, David H. Olson 2003-06-10
6504075 Small crystal ZSM-5, its synthesis and use Jeffrey S. Beck, Carrie L. Kennedy, Wieslaw J. Roth 2003-01-07
6398947 Reformate upgrading using zeolite catalyst Jeffrey S. Beck, Robert A. Crane, Vinaya Kapoor, John Thurtell 2002-06-04
6207871 High-purity meta-xylene production process Stuart D. Hellring 2001-03-27
6180550 Small crystal ZSM-5, its synthesis and use Jeffrey S. Beck, Carrie L. Kennedy, Wieslaw J. Roth 2001-01-30
6133470 Integration of p-xylene production and subsequent conversion process Jeffery Beck 2000-10-17
6080904 Isomerization process Clarence D. Chang, Jose G. Santiesteban 2000-06-27
6049018 Synthetic porous crystalline MCM-68, its synthesis and use David C. Calabro, Jane C. Cheng, Robert A. Crane, Charles T. Kresge, Sandeep Dhingra +2 more 2000-04-11
6028238 Xylene isomerization Jeffrey S. Beck, Robert A. Crane, Jocelyn A. Kowalski, Daria N. Lissy, Mark Mathias 2000-02-22
6027704 Process for the reduction of SO.sub.2 from wet lime/limestone tailgas in power plant desulfurization processes David L. Johnson, Khushrav E. Nariman 2000-02-22
5998688 Xylene isomerization process using toluene co-feed Jeevan S. Abichandani, Jeffrey S. Beck, Stephen H. Brown, Ronald J. Cimini, Ivy D. Johnson +2 more 1999-12-07
5990366 Selective xylene disproportionation process for pseudocumene production Stephen H. Brown 1999-11-23
5977420 Dual-loop xylene isomerization process Jeevan S. Abichandani, Jeffrey S. Beck, Stephen H. Brown, Ronald J. Cimini, Ivy D. Johnson +1 more 1999-11-02