Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CW

C. Michael Walkup

ICIndspec Chemical: 1 patents #12 of 15Top 80%
OPOccidental Petroleum: 1 patents #15 of 41Top 40%
New Kensington, PA: #69 of 233 inventorsTop 30%
Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,246,755 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7498371 Modified phenolic novolak resins and applications thereof Raj B. Durairaj, Mark A. Lawrence 2009-03-03
7259221 Silane-modified phenolic resins and applications thereof Raj B. Durairaj, Mark A. Lawrence 2007-08-21
6875807 Silane-modified phenolic resins and applications thereof Raj B. Durairaj, Mark A. Lawrence 2005-04-05
6828383 Phenolic modified resorcinolic resins for rubber compounding Raj B. Durairaj, Mark A. Lawrence 2004-12-07