Inventor · disambiguated record
Carl L. Willis
Also filed as: WILLIS CARL · WILLIS CARL L · WILLIS CARL LESLEY
128 granted patents·10 pending applications·3,240 citations·filing 1979–2023
99Inventor score
Files withSHELL OIL CO57KRATON POLYMERS US LLC52KRATON POLYMERS LLC7WILLIS CARL LESLEY6BENING ROBERT C2
Top patents by PatentIndex Score
138 records- 0199US7737224B2Sulfonated block copolymers, method for making same, and various uses for such block copolymersKRATON POLYMERS US LLC·Filed 2006·Granted Jun 15, 2010·156 cites·27 claims
- 0299US7282536B2Block copolymers and method for making sameKRATON POLYMERS LLC·Filed 2005·Granted Oct 16, 2007·30 cites·14 claims
- 0399US7169850B2Block copolymers and method for making sameKRATON POLYMERS US LLC·Filed 2005·Granted Jan 30, 2007·43 cites·6 claims
- 0498US8383735B2Sulfonated block copolymers, method for making same, and various uses for such block copolymersKRATON POLYMERS US LLC·Filed 2010·Granted Feb 26, 2013·26 cites·7 claims
- 0598US8003733B2Process for preparing sulfonated block copolymers and various uses for such block copolymersKRATON POLYMERS US LLC·Filed 2010·Granted Aug 23, 2011·29 cites·18 claims
- 0698US7981970B2Sulfonated block copolymers having acrylic esterand methacrylic ester interior blocks, and various uses for such blocks, and various uses for such block copolymersKRATON POLYMERS US LLC·Filed 2010·Granted Jul 19, 2011·35 cites·12 claims
- 0798US7919565B2Composition containing sulfonated block copolymers and articles made therefromKRATON POLYMERS US LLC·Filed 2010·Granted Apr 5, 2011·34 cites·10 claims
- 0898US7169848B2Block copolymers and method for making sameKRATON POLYMERS US LLC·Filed 2003·Granted Jan 30, 2007·92 cites·39 claims
- 0998US7067589B2Block copolymers and method for making sameKRATON POLYMERS US LLC·Filed 2005·Granted Jun 27, 2006·35 cites·9 claims
- 1098US6759454B2Polymer modified bitumen compositionsKRATON POLYMERS US LLC·Filed 2003·Granted Jul 6, 2004·68 cites·29 claims
- 1198US4433981ACO2 Removal from gaseous streamsSHELL OIL CO·Filed 1981·Granted Feb 28, 1984·125 cites·8 claims
- 1297US8329827B2Sulfonated block copolymers having ethylene and diene interior blocks, and various uses for such block copolymersWILLIS CARL LESLEY·Filed 2010·Granted Dec 11, 2012·28 cites·17 claims
- 1397US8084546B2Method for varying the transport properties of a film cast from a sulfonated copolymerWILLIS CARL LESLEY·Filed 2011·Granted Dec 27, 2011·32 cites·4 claims
- 1497US8058353B2Sulfonated block copolymers method for making same, and various uses for such block copolymersWILLIS CARL LESLEY·Filed 2010·Granted Nov 15, 2011·33 cites·14 claims
- 1597US6987142B2Adhesives and sealants from controlled distribution block copolymersKRATON POLYMERS US LLC·Filed 2003·Granted Jan 17, 2006·42 cites·36 claims
- 1697US5405911AButadiene polymers having terminal functional groupsSHELL OIL CO·Filed 1994·Granted Apr 11, 1995·89 cites·12 claims
- 1797US5393843AButadiene polymers having terminal functional groupsSHELL OIL CO·Filed 1992·Granted Feb 28, 1995·89 cites·16 claims
- 1897US4882384AModified block copolymersSHELL OIL CO·Filed 1988·Granted Nov 21, 1989·124 cites·20 claims
- 1996US10202494B2Block copolymers having amine or phosphine functionalized end blocksKRATON POLYMERS US LLC·Filed 2016·Granted Feb 12, 2019·25 cites·25 claims
- 2096US8445631B2Metal-neutralized sulfonated block copolymers, process for making them and their useWILLIS CARL LESLEY·Filed 2009·Granted May 21, 2013·24 cites·12 claims
- 2196US7244785B2Block copolymers and method for making sameBENING ROBERT C·Filed 2005·Granted Jul 17, 2007·21 cites·7 claims
- 2296US7138456B2Block copolymers and method for making sameBENING ROBERT C·Filed 2005·Granted Nov 21, 2006·20 cites·21 claims
- 2396US6492469B2Increased throughput in the manufacture of anionic polymers by reduction in polymers by reduction in polymer cement viscosity through the addition of metal alkylsKRATON POLYMERS US LLC·Filed 2002·Granted Dec 10, 2002·98 cites·10 claims
- 2496US5516831ASelectively sulfonated block copolymers/extender oilsSHELL OIL CO·Filed 1995·Granted May 14, 1996·128 cites·8 claims
- 2596US4970265AFunctionalized polymers and process for modifying unsaturated polymersSHELL OIL CO·Filed 1989·Granted Nov 13, 1990·92 cites·3 claims
- 2695US10053609B2Styrenic block copolymers as thermally-activated viscosifiers for oilfield applicationsKRATON POLYMERS US LLC·Filed 2016·Granted Aug 21, 2018·7 cites·27 claims
- 2795US7332542B2Block copolymers and method for making sameKRATON POLYMERS US LLC·Filed 2005·Granted Feb 19, 2008·11 cites·16 claims
- 2895US5594072ALiquid star polymers having terminal hydroxyl groupsSHELL OIL CO·Filed 1995·Granted Jan 14, 1997·129 cites·7 claims
- 2995US5391663AProtected functional initiators for making terminally functionalized polymersSHELL OIL CO·Filed 1993·Granted Feb 21, 1995·72 cites·12 claims
- 3094US9861941B2Modified sulfonated block copolymers and the preparation thereofWILLIS CARL L·Filed 2011·Granted Jan 9, 2018·25 cites·21 claims
- 3194US6699941B1Block copolymerKRATON POLYMERS US LLC·Filed 2002·Granted Mar 2, 2004·52 cites·20 claims
- 3294US5416168AProtected functional initiators for making terminally functionalized polymersSHELL OIL CO·Filed 1994·Granted May 16, 1995·89 cites·15 claims
- 3394US5376745ALow viscosity terminally functionalized isoprene polymersSHELL OIL CO·Filed 1993·Granted Dec 27, 1994·91 cites·11 claims
- 3494US5239010ASulfonated block copolymersSHELL OIL CO·Filed 1992·Granted Aug 24, 1993·105 cites·2 claims
- 3593US7220798B2Process for preparing block copolymer and resulting compositionKRATON POLYMERS US LLC·Filed 2005·Granted May 22, 2007·20 cites·29 claims
- 3693US6455651B1Uniform initiation of anionic polymerization using organo-substituted alkali metal initiatorsKRATON POLYMERS US LLC·Filed 2000·Granted Sep 24, 2002·47 cites·17 claims
- 3793US6391981B1Increased throughput in the manufacture of anionic polymers by reduction in polymer cement viscosity through the addition of metal alkylsKRATON POLYMERS US LLC·Filed 2000·Granted May 21, 2002·48 cites·5 claims
- 3892US7267855B2Articles prepared from hydrogenated controlled distribution block copolymersKRATON POLYMERS US LLC·Filed 2003·Granted Sep 11, 2007·40 cites·55 claims
- 3992US5247026ARandomly epoxidized small star polymersSHELL OIL CO·Filed 1992·Granted Sep 21, 1993·59 cites·20 claims
- 4092US4480075ABlock copolymers of Ziegler-Natta polymerized and anionically polymerized monomersSHELL OIL CO·Filed 1983·Granted Oct 30, 1984·54 cites·34 claims
- 4191US9364825B2Block copolymers, their manufacture and their useKRATON POLYMERS US LLC·Filed 2015·Granted Jun 14, 2016·6 cites·20 claims
- 4291US8263713B2Amine neutralized sulfonated block copolymers and method for making sameWILLIS CARL LESLEY·Filed 2009·Granted Sep 11, 2012·24 cites·27 claims
- 4391US7141621B2Gels from controlled distribution block copolymersKRATON POLYMERS US LLC·Filed 2003·Granted Nov 28, 2006·19 cites·18 claims
- 4490US5002676ABlock copolymersSHELL OIL CO·Filed 1989·Granted Mar 26, 1991·52 cites·6 claims
- 4589US10767033B2Asphalt compositions and methods of making sameKRATON POLYMERS LLC·Filed 2018·Granted Sep 8, 2020·3 cites·19 claims
- 4688US7977432B2Functionalized block copolymers, method for making same, and various uses for such block copolymersKRATON POLYMERS US LLC·Filed 2008·Granted Jul 12, 2011·10 cites·18 claims
- 4788US7592390B2Hydrogenated block copolymer compositionsKRATON POLYMERS US LLC·Filed 2006·Granted Sep 22, 2009·10 cites·27 claims
- 4888US7585916B2Block copolymer compositionsKRATON POLYMERS US LLC·Filed 2007·Granted Sep 8, 2009·10 cites·25 claims
- 4988US7449518B2High temperature block copolymers and process for making sameKRATON POLYMERS US LLC·Filed 2007·Granted Nov 11, 2008·11 cites·25 claims
- 5087US10066098B2Styrenic block copolymer compositionsKRATON POLYMERS US LLC·Filed 2016·Granted Sep 4, 2018·3 cites·17 claims
Showing the top 50 of 138 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →