ED

Edward L. Dufford

PI Ppg Industries: 6 patents #169 of 1,216Top 15%
📍 Sarver, PA: #20 of 88 inventorsTop 25%
🗺 Pennsylvania: #13,581 of 74,527 inventorsTop 20%
Overall (All Time): #894,349 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4808663 Method of preparing acrylic polymers containing hydrolyzable moieties from organosilane compounds Wen-Hsuan Chang, Paul J. Prucnal, John R. Peffer, Ronald R. Ambrose 1989-02-28
4788107 Substrates coated with nonaqueous compositions comprising acrylic polymers containing hydrolyzable moieties from organosilane compounds Wen-Hsuan Chang, Paul J. Prucnal, John R. Peffer, Ronald R. Ambrose 1988-11-29
4714738 Acrylic polymers containing hydrolyzable moieties from organosilane compounds Wen-Hsuan Chang, Paul J. Prucnal, John R. Peffer, Ronald R. Ambrose 1987-12-22
4684697 Compositions based on silane hydrolyzates and vinyl polymers containing hydrolyzable silyl groups Wen-Hsuan Chang, William P. Blackburn, Paul J. Prucnal 1987-08-04
4678835 Coating composition containing an ungelled reaction product as a curative Wen-Hsuan Chang, J. Alden Erikson, Paul J. Prucnal 1987-07-07
4604443 Partial hydrolyzates containing hydrolyzable moieties from organosilane compounds Wen-Hsuan Chang 1986-08-05