WC

Wen-Hsuan Chang

PI Ppg Industries: 57 patents #1 of 1,216Top 1%
📍 Gibsonia, PA: #5 of 383 inventorsTop 2%
🗺 Pennsylvania: #483 of 74,527 inventorsTop 1%
Overall (All Time): #40,358 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
4332329 Implosion coatings Roger L. Scriven 1982-06-01
4314923 Coating compositions formulated from polyols modified by reaction with glycidyl ether Robert M. Piccirilli, David A. Diehl 1982-02-09
4313968 Application of liquid coating material James E. Sickles 1982-02-02
4260716 Polymeric quaternary ammonium hydroxides and their use in coating applications Roger M. Christenson, Joseph F. Bosso, Marvis E. Hartman 1981-04-07
4218355 Low organic solvent-containing polyester coating compositions John R. Peffer, Ronald J. Lewarchik 1980-08-19
4208494 Composition useful in making extensible films J. Alden Erikson, Samuel Porter, Jr. 1980-06-17
4208495 Composition useful in making extensible films J. Alden Erikson, Samuel Porter, Jr. 1980-06-17
4205115 Polyester coating composition Robert M. Piccirilli, David T. McKeough, Samuel Porter, Jr. 1980-05-27
4188472 Curable lactone derived resins 1980-02-12