Inventor · disambiguated record
Craig A. Stevens
Also filed as: STEVENS CRAIG A
14 granted patents·369 citations·filing 1991–2007
94Inventor score
Top patents by PatentIndex Score
14 records- 0197US5405911AButadiene polymers having terminal functional groupsSHELL OIL CO·Filed 1994·Granted Apr 11, 1995·89 cites·12 claims
- 0297US5393843AButadiene polymers having terminal functional groupsSHELL OIL CO·Filed 1992·Granted Feb 28, 1995·89 cites·16 claims
- 0394US6349522B1Brick block and process and apparatus thereforFiled 2000·Granted Feb 26, 2002·48 cites·6 claims
- 0485US5460739AStar polymer viscosity index improver for oil compositionsSHELL OIL CO·Filed 1994·Granted Oct 24, 1995·31 cites·18 claims
- 0579US5458791AStar polymer viscosity index improver for oil compositionsSHELL OIL CO·Filed 1994·Granted Oct 17, 1995·28 cites·14 claims
- 0672US5194530ATermination of anionic polymerization using hydrocarbon terminating agentsSHELL OIL CO·Filed 1992·Granted Mar 16, 1993·21 cites·18 claims
- 0771US7285596B2Anionic polymerization diinitiator and process for preparing sameKRATON POLYMERS US LLC·Filed 2004·Granted Oct 23, 2007·6 cites·20 claims
- 0871USRE39617EButadiene polymers having terminal functional groupsKRATON POLYMERS US LLC·Filed 2003·Granted May 8, 2007·6 cites·22 claims
- 0965US5360875AMethod for producing coupled asymmetric polymersSHELL OIL CO·Filed 1993·Granted Nov 1, 1994·16 cites·5 claims
- 1061US5458792AAsymmetric triblock copolymer viscosity index improver for oil compositionsSHELL OIL CO·Filed 1994·Granted Oct 17, 1995·15 cites·10 claims
- 1157US5151475ATermination of anionic polymerizationSHELL OIL CO·Filed 1991·Granted Sep 29, 1992·10 cites·20 claims
- 1256US7550537B2Organo-dilithium compound and process for preparing the sameKRATON POLYMERS US LLC·Filed 2007·Granted Jun 23, 2009·0 cites·4 claims
- 1349US5543472AConcurrent epoxidation and catalyst residue extractionSHELL OIL CO·Filed 1995·Granted Aug 6, 1996·10 cites·3 claims
- 1443USRE39559EButadiene polymers having terminal functional groupsKRATON POLYMER US L L C·Filed 2003·Granted Apr 10, 2007·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →