RC

Roger M. Christenson

PI Ppg Industries: 33 patents #8 of 1,216Top 1%
AO Ashland Oil: 1 patents #154 of 284Top 55%
📍 Gibsonia, PA: #19 of 383 inventorsTop 5%
🗺 Pennsylvania: #1,480 of 74,527 inventorsTop 2%
Overall (All Time): #104,218 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
4289674 Base-solubilized acrylic polymers and aqueous resinous dispersions of acrylic polymers and epoxy resins Rudolf Maska, Rostyslawa Dowbenko, Thomas R. Hockswender 1981-09-15
4260716 Polymeric quaternary ammonium hydroxides and their use in coating applications Joseph F. Bosso, Marvis E. Hartman, Wen-Hsuan Chang 1981-04-07
4256560 Curable resinous compositions useful in coating applications Stephen L. Buchwalter, Robert D. Jerabek, Lee-Pei H. Chou 1981-03-17
4252935 Esters of diglycidyl polyethers of hydrogenated phenols and coating compositions containing same Carl C. Anderson, William J. Birkmeyer, Rostyslaw Dowbenko, Ronald J. Lewarchik 1981-02-24
4248753 Michael adducts of polymeric materials useful in coating applications Stephen L. Buchwalter, Joseph F. Bosso 1981-02-03
4225480 Addition interpolymers having improved stability and two-package compositions comprising such interpolymers and polyepoxides Karl F. Schimmel, Jerome A. Seiner, James A. Claar 1980-09-30
4222911 Polyester diol extended uralkyd resin and coating compositions containing the same J. Alden Erikson 1980-09-16
4221885 Addition interpolymers having improved stability and two-package compositions comprising such interpolymers and polyepoxides Karl F. Schimmel, Jerome A. Seiner, James A. Claar 1980-09-09
4198331 Resinous coating compositions curable by Michael adduct exchange Stephen L. Buchwalter, Robert D. Jerabek, Lee-Pei H. Chou 1980-04-15