PD

Philip A. DeFriend

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,268,308 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5605991 Multifunctional initiator from divinyl dislane Linda R. Chamberlain, Ronald J. Hoxmeier 1997-02-25
5276101 Melt metalation of block copolymers Linda R. Chamberlain 1994-01-04