JC

Jen-Chi Chen

BL Betz Laboratories: 1 patents #19 of 50Top 40%
Rohm And Haas: 1 patents #54 of 199Top 30%
📍 Levittown, PA: #3 of 35 inventorsTop 9%
🗺 Pennsylvania: #357 of 4,234 inventorsTop 9%
Overall (1994): #30,300 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5331025 Coating compositions incorporating composite polymer particles Alvin C. Lavoie, Chao-Jen Chung, Dennis Paul Lorah, Peter R. Sperry, Andrew W. Gross 1994-07-19
5292441 Quaternized polyvinylamine water clarification agents Stephen R. Vasconcellos, Gerald C. Walterick, Jr., Fu Chen 1994-03-08