DP

Donald B. Parrish

The Dow Chemical: 4 patents #847 of 4,115Top 25%
📍 Lake Jackson, TX: #343 of 948 inventorsTop 40%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,296,394 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5270430 Polymers stabilized with 6-chromanol derivatives 1993-12-14
5218008 Polyethers stabilized with 6-chromanol derivatives 1993-06-08
5037860 Flexible polyurethane foam prepared using 1,1,1-trichloroethane as a blowing agent Lenore F. Oswald, Raymond E. Thomas 1991-08-06
4696976 Vinyl urethane composite polymer containing dispersed soft copolymer particles Gilbert B. Ellerbe, III 1987-09-29