RN

Richard J. Nelson

Chevron: 6 patents #767 of 4,788Top 20%
Overall (All Time): #1,041,772 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6551967 Low overbased alkylaryl sulfonates William F. King, Curtis B. Campbell, Olivier Clement, Jean-Louis Le Coent, Steven G. Lockett +1 more 2003-04-22
6204226 Mixture of alkyl-phenyl-sulfonates of alkaline earth metals, its application as an additive for lubricating oil, and methods of preparation Jean-Louis Le Coent, Olivier Clement, Amedee Guellec, William F. King, Steven G. Lockett 2001-03-20
5780398 High overbased alkyloxy aromatic sulfonate-carboxylates as lube oil additives William F. King, Robert H. Wollenberg, Steven G. Lockett 1998-07-14
5330663 Neutral and low overbased alkylphenoxy sulfonate additive compositions Robert H. Wollenberg, 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 Robert H. Wollenberg, John H. McDonald, III, Susanne G. Ruelas, Curtis B. Campbell, Kathryn E. Matera 1994-07-19