FC

Frank E. Critchfield

UC Union Carbide: 2 patents #13 of 206Top 7%
UT Union Carbide Chemicals & Plastics Technology: 1 patents #3 of 37Top 9%
📍 South Charleston, WV: #2 of 7 inventorsTop 30%
🗺 West Virginia: #7 of 187 inventorsTop 4%
Overall (1989): #10,849 of 140,708Top 8%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4883825 Process for the manufacture of low density, flexible polyurethane foams Paul M. Westfall, William A. Gill 1989-11-28
4814359 Process for producing flexible polyurethane foam using hexahydro-S-triazine catalysts Otis M. Baker, Paul M. Westfall 1989-03-21
4797501 Silicone-based stabilizers useful in the preparation of improved polyurethane foams Richard C. Myerly, Michael W. Jorgenson 1989-01-10