YW

Yi J. Warburton

CA Calgon: 2 patents #60 of 151Top 40%
PO Ppg Industries Ohio: 2 patents #525 of 1,316Top 40%
Overall (All Time): #1,225,149 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8388878 Method for producing microporous sheet Luciano M. Parrinello, James L. Boyer, Jun Deng 2013-03-05
6761933 Process for coating untreated metal substrates Michel Sudour, Andreas Tolz 2004-07-13
6248182 Mannich derivatives of epoxy-novolac resins and methods of using the same Hong Ding, Shih-Ruey T. Chen 2001-06-19
5972433 Method for treatment of metal substrates using Mannich-derived polyethers Shih-Ruey T. Chen, Hong Ding 1999-10-26