RW

Robert H. Wollenberg

Chevron: 53 patents #43 of 4,788Top 1%
AR Analytical Radiation: 2 patents #2 of 3Top 70%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #44,806 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 25 most recent of 56 patents

Patent #TitleCo-InventorsDate
8249816 High throughput screening methods for fuel compositions 2012-08-21
7985592 High throughput screening methods for lubricating oil compositions 2011-07-26
7698929 High throughput screening methods for lubricating oil compositions Thomas J. Balk 2010-04-20
7648837 High throughput screening methods for lubricating oil compositions Thomas J. Balk 2010-01-19
7611900 High throughput screening methods for lubricating oil compositions 2009-11-03
7579192 High throughput screening methods for lubricating oil compositions Thomas J. Balk 2009-08-25
7468280 High throughput preparation of lubricating oil compositions for combinatorial libraries Thomas J. Balk 2008-12-23
7462490 Combinatorial lubricating oil composition libraries Thomas J. Balk 2008-12-09
7405185 Process for making Group II metal overbased sulfurized alkylphenols Steven G. Lockett 2008-07-29
7380441 High throughput screening methods for lubricating oil compositions 2008-06-03
7306948 High throughput screening methods for lubricating oil compositions 2007-12-11
7256161 Process for making group II metal carbonated, overbased Mannich condensation products of alkylphenols Jeremy Cantor 2007-08-14
7150182 High throughput screening methods for lubricating oil compositions Thomas J. Balk 2006-12-19
7137289 High throughput screening methods for lubricating oil compositions 2006-11-21
7069203 Method and system of product development process for chemical compositions using high volume modeling Thomas J. Balk 2006-06-27
5780398 High overbased alkyloxy aromatic sulfonate-carboxylates as lube oil additives William F. King, Richard J. Nelson, Steven G. Lockett 1998-07-14
5330663 Neutral and low overbased alkylphenoxy sulfonate additive compositions Richard J. Nelson, John H. McDonald, III, Susanne G. Ruelas, Curtis B. Campbell, Kathryn E. Matera 1994-07-19
5330664 Neutral and low overbased alkylphenoxy sulfonate additive compositions derived from alkylphenols prepared by reacting an olefin or an alcohol with phenol in the presence of an acidic alkylation catalyst Richard J. Nelson, John H. McDonald, III, Susanne G. Ruelas, Curtis B. Campbell, Kathryn E. Matera 1994-07-19
5071998 Modified succinimides (III) 1991-12-10
4965211 Fluorometric analysis method Irwin Wieder 1990-10-23
4927551 Lubricating oil compositions containing a combination of a modified succinimide and a Group II metal overbased sulfurized alkylphenol Timothy R. Erdman, Michael A. Shippey 1990-05-22
4904278 Modified succinimides Frank Plavac 1990-02-27
4840744 Modified succinimides and lubricating oil compositions containing the same Frank Plavac, Timothy R. Erdman 1989-06-20
4803002 Carbonate treated dispersants 1989-02-07
4802893 Modified Succinimides Frank Plavac 1989-02-07