Inventor · disambiguated record
David K. Schisla
Also filed as: SCHISLA DAVID K · SCHISLA DAVID KARL
13 granted patents·1 pending application·241 citations·filing 1991–2013
91Inventor score
Top patents by PatentIndex Score
14 records- 0196US5160627AProcess for making microporous membranes having gel-filled pores, and separations methods using such membranesHOECHST CELANESE CORP·Filed 1991·Granted Nov 3, 1992·148 cites·18 claims
- 0272US5349101AProcess for the preparation of secondary alkyl sulfate-containing surfactant compositionsSHELL OIL CO·Filed 1992·Granted Sep 20, 1994·14 cites·32 claims
- 0370US6103846AProcess for making anionic polymeric di-and polyfunctional polymers using protected functional initiatorsSHELL OIL CO·Filed 1999·Granted Aug 15, 2000·24 cites·19 claims
- 0469US7166679B2Conjugated diene polymers and copolymer blocks having high vinyl content prepared using mixed microstructure control agents and process for preparing sameKRATON POLYMERS LLC·Filed 2004·Granted Jan 23, 2007·8 cites·22 claims
- 0559US6184307B1Minimum residence time hydrogenation process for polyisoprene-polybutadiene block copolymersSHELL OIL CO·Filed 1999·Granted Feb 6, 2001·15 cites·18 claims
- 0649US2010056766A1Purification of biological conjugates by size exclusion chromatographyABBOTT LAB·Filed 2008·Application pending·0 cites
- 0748US10023607B2Purification of biological conjugates by size exclusion chromatographyABBOTT LAB·Filed 2013·Granted Jul 17, 2018·0 cites·13 claims
- 0848US7390856B2Method for making selectively hydrogenated block copolymers of vinyl aromatic hydrocarbons and conjugated dienesKRATON POLYMERS US LLC·Filed 2001·Granted Jun 24, 2008·1 cites·27 claims
- 0944US6262145B1Process for the extraction of material from multi-phase systemsSHELL OIL CO·Filed 1999·Granted Jul 17, 2001·13 cites·17 claims
- 1041USH1956HEnhanced hydrogenation catalyst removal from block copolymers by reduction in polymer cement viscosity by increasing the vinyl content of the block copolymersSHELL OIL CO·Filed 1998·Granted Apr 3, 2001·5 cites·1 claims
- 1141US5427717ASecondary alkyl sulfate/zeolite-containing surfactant compositionsSHELL OIL CO·Filed 1994·Granted Jun 27, 1995·8 cites·35 claims
- 1237US6228947B1Deprotection of polymers prepared with silyloxy protected functional initiators by reaction with aqueous fluoroboric acidSHELL OIL CO·Filed 2000·Granted May 8, 2001·0 cites·6 claims
- 1334US6217798B1Method for synthesis of a dilithium diisopropenylbenzene-based diinitiatorSHELL OIL CO·Filed 1999·Granted Apr 17, 2001·4 cites·15 claims
- 1430US6043299AProcess for the extraction of material from multi-phase systemsSHELL OIL CO·Filed 1997·Granted Mar 28, 2000·1 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →