KS

Karl F. Schimmel

PI Ppg Industries: 34 patents #7 of 1,216Top 1%
PO Ppg Industries Ohio: 8 patents #186 of 1,316Top 15%
📍 Verona, PA: #3 of 111 inventorsTop 3%
🗺 Pennsylvania: #1,002 of 74,527 inventorsTop 2%
Overall (All Time): #74,074 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
4410687 Polyester dispersants for coating compositions Michael A. Traficante, Rostyslaw Dowbenko 1983-10-18
4373083 Process of making urethane rheology modifiers Jerome A. Seiner 1983-02-08
4339365 Coating compositions containing pigment dispersants David Z. Becher, Roger M. Christenson, Richard L. Coalson, Percy E. Pierce 1982-07-13
4337184 Urethane rheology modifiers substantially free of terminal hydrophobic groups and compositions containing same Jerome A. Seiner, Rostyslaw Dowbenko, Roger M. Christenson 1982-06-29
4327008 Urethane rheology modifiers and coating compositions containing same Jerome A. Seiner, Roger M. Christenson, Rostyslaw Dowbenko 1982-04-27
4303764 Pigment dispersants for coating compositions David Z. Becher, Roger M. Christenson, Richard L. Coalson, Percy E. Pierce 1981-12-01
4302560 Pigment dispersants for coating compositions David Z. Becher, Roger M. Christenson, Richard L. Coalson, Percy E. Pierce 1981-11-24
4302562 Pigment dispersants for coating compositions David Z. Becher, Roger M. Christenson, Richard L. Coalson, Percy E. Pierce 1981-11-24
4302561 Pigment dispersants for coating compositions David Z. Becher, Roger M. Christenson, Richard L. Coalson, Percy E. Pierce 1981-11-24
4299743 Sulfonate-containing polymer Percy E. Pierce 1981-11-10
4298511 Urethane rheology modifiers and compositions containing same Jerome A. Seiner, Rostyslaw Dowbenko, Roger M. Christenson 1981-11-03
4285849 Amidation reaction products of polyamines and polycarboxyl containing materials and coating compositions containing same Rostyslaw Dowbenko, Jerome A. Seiner 1981-08-25
4230552 Novel pigment grinding vehicle Lance C. Sturni, Martin J. Robles 1980-10-28
4225480 Addition interpolymers having improved stability and two-package compositions comprising such interpolymers and polyepoxides Roger M. Christenson, Jerome A. Seiner, James A. Claar 1980-09-30
4221885 Addition interpolymers having improved stability and two-package compositions comprising such interpolymers and polyepoxides Roger M. Christenson, Jerome A. Seiner, James A. Claar 1980-09-09
RE30264 Polymeric products 1980-04-29
4186124 Novel pigment grinding vehicle Lance C. Sturni, Martin J. Robles 1980-01-29