RC

Roger M. Christenson

PI Ppg Industries: 6 patents #1 of 184Top 1%
📍 Gibsonia, PA: #4 of 22 inventorsTop 20%
🗺 Pennsylvania: #16 of 2,652 inventorsTop 1%
Overall (1982): #592 of 81,411Top 1%
6
Patents 1982

Issued Patents 1982

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
RE31022 Michael adducts of polymeric materials useful in coating applications Stephen L. Buchwalter, Joseph F. Bosso 1982-08-31
4339365 Coating compositions containing pigment dispersants David Z. Becher, Richard L. Coalson, Percy E. Pierce, Karl F. Schimmel 1982-07-13
4337184 Urethane rheology modifiers substantially free of terminal hydrophobic groups and compositions containing same Karl F. Schimmel, Jerome A. Seiner, Rostyslaw Dowbenko 1982-06-29
4335829 Coated metal surfaces and method of coating metal surfaces with aqueous resinous dispersions of epoxy resins and acrylic polymers Rudolf Maska, Rostyslaw Dowbenko, Thomas R. Hockswender 1982-06-22
4327008 Urethane rheology modifiers and coating compositions containing same Karl F. Schimmel, Jerome A. Seiner, Rostyslaw Dowbenko 1982-04-27
4316784 Process for electrodeposition of Michael adducts of polymeric materials Stephen L. Buchwalter, Joseph F. Bosso 1982-02-23