DS

David K. Schisla

Shell Oil Compny: 9 patents #321 of 4,423Top 8%
KP Kraton Polymers: 2 patents #68 of 194Top 40%
Abbott: 1 patents #3,441 of 5,431Top 65%
HC Hoechst Celanese: 1 patents #468 of 871Top 55%
Overall (All Time): #380,724 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10023607 Purification of biological conjugates by size exclusion chromatography Marcela De Leon Gatti, Yingqing Huang, Lou-Hwa J. Sheu, Christopher A. Tomas 2018-07-17
7390856 Method for making selectively hydrogenated block copolymers of vinyl aromatic hydrocarbons and conjugated dienes Kimberly Ann Johnson, Wouter De Jong 2008-06-24
7166679 Conjugated diene polymers and copolymer blocks having high vinyl content prepared using mixed microstructure control agents and process for preparing same Carl L. Willis, Daniel E. Goodwin 2007-01-23
6262145 Process for the extraction of material from multi-phase systems Rudolf Jacobus Winjngaarden, Ye-Mon Chen 2001-07-17
6228947 Deprotection of polymers prepared with silyloxy protected functional initiators by reaction with aqueous fluoroboric acid 2001-05-08
6217798 Method for synthesis of a dilithium diisopropenylbenzene-based diinitiator Carl L. Willis, Grant Wesley Haddix, Fred Hendrik van der Steen 2001-04-17
H1956 Enhanced hydrogenation catalyst removal from block copolymers by reduction Michael J. Modic, Eleanor de Groot 2001-04-03
6184307 Minimum residence time hydrogenation process for polyisoprene-polybutadiene block copolymers 2001-02-06
6103846 Process for making anionic polymeric di-and polyfunctional polymers using protected functional initiators Carl L. Willis, Robert C. Bening, Michael Wayne Potter, Grant Wesley Haddix, Thomas Carl Semple +1 more 2000-08-15
6043299 Process for the extraction of material from multi-phase systems Rudolf Jacobus Wijngaarden, Ye-Mon Chen 2000-03-28
5427717 Secondary alkyl sulfate/zeolite-containing surfactant compositions Robert Stephen Tomaskovic, Eugene F. Lutz, Charles M. Arbore 1995-06-27
5349101 Process for the preparation of secondary alkyl sulfate-containing surfactant compositions Eugene F. Lutz, Robert Stephen Tomaskovic, Timothy D. Hoewing 1994-09-20
5160627 Process for making microporous membranes having gel-filled pores, and separations methods using such membranes Edward L. Cussler, Gunilla E. Gillberg-LaForce, Michael J. Sansone 1992-11-03