DH

David L. Hartsock

Chevron: 4 patents #1,079 of 4,788Top 25%
PP Phillips Petroleum: 2 patents #574 of 1,401Top 45%
Overall (All Time): #850,563 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9469752 Cold flow resistant compositions containing rubber and a block copolymer Cliff C. Pettey, Jinping Zhou 2016-10-18
8933171 Cold flow resistant compositions containing rubber and a block copolymer Cliff C. Pettey, Jinping Zhou 2015-01-13
7351767 Composition for monovinylrenic-based shrink label films John Mark Brown, James Abraham Keane 2008-04-01
7193014 Binary and ternary blends comprising monovinylarene/conjugated diene block copolymers and monovinylarene/alkyl (meth)acrylate copolymers John D. Wilkey, Carleton E. Stouffer, Vergil Rhodes, Jay M. Chaffin, John Mark Brown +1 more 2007-03-20
5777030 Blends of a styrenic polymer and monovinylaren/conjugated diene block copolymers Mark D. Hanes, William H. Beever 1998-07-07
5185400 Reduction of residual volatiles in styrene polymers Ralph C. Farrar, Francis X. Mueller, Jr. 1993-02-09