DR

Donald Robertson

VC Vista Chemical: 3 patents #6 of 46Top 15%
Rohm And Haas: 2 patents #861 of 2,359Top 40%
🗺 Texas: #28,318 of 125,132 inventorsTop 25%
Overall (All Time): #1,024,163 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7678456 Aqueous coating composition 2010-03-16
7078102 Aqueous coating composition 2006-07-18
5488148 Process for sulfonating internal olefins Upali P. Weerasooriya, John Wei-Ping Lin, K. Lee Matheson, Janet L. Watson, LeAnn M. Rowe 1996-01-30
5386045 Process for alkoxylation of esters and products produced therefrom Upali P. Weerasooriya, John Wei-Ping Lin, Bruce E. Leach, Cynthia L. Aeschbacher, Tonyette S. Sandoval 1995-01-31
5220046 Process for alkoxylation of esters and products produced therefrom Bruce E. Leach, John Wei-Ping Lin, Cynthia L. Aeschbacher, Tonyette S. Sandoval, Upali P. Weerasooriya 1993-06-15