RW

Robert H. Wollenberg

Chevron: 2 patents #39 of 271Top 15%
📍 Los Altos, CA: #25 of 217 inventorsTop 15%
🗺 California: #1,124 of 13,957 inventorsTop 9%
Overall (1994): #20,824 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
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