Inventor · disambiguated record
David F. Lawson
Also filed as: LAWSON DAVID · LAWSON DAVID F · LAWSON DAVID FRANCIS
107 granted patents·2 pending applications·3,643 citations·filing 1972–2019
99Inventor score
Files withBRIDGESTONE CORP77BRIDGESTONE FIRESTONE INC13FIRESTONE TIRE & RUBBER CO11LAWSON DAVID F2RADEMACHER CHRISTINE2
Top patents by PatentIndex Score
109 records- 0198US5521309ATertiary-amino allyl-or xylyl-lithium initiators and method of preparing sameBRIDGESTONE CORP·Filed 1994·Granted May 28, 1996·164 cites·4 claims
- 0297US9255158B2Aminosilane initiators, functionalized polymers prepared therefrom and related processesBRIDGESTONE CORP·Filed 2014·Granted Feb 9, 2016·12 cites·16 claims
- 0397US7335712B2Process of producing a siloxy-functionalized polymerBRIDGESTONE CORP·Filed 2005·Granted Feb 26, 2008·46 cites·23 claims
- 0497US7153919B2Use of sulfur containing initiators for anionic polymerization of monomersBRIDGESTONE CORP·Filed 2003·Granted Dec 26, 2006·81 cites·20 claims
- 0597US5496940AAlkyllithium compounds containing cyclic amines and their use in polymerizationBRIDGESTONE CORP·Filed 1995·Granted Mar 5, 1996·129 cites·1 claims
- 0697US5491230AAnionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefromBRIDGESTONE CORP·Filed 1993·Granted Feb 13, 1996·83 cites·9 claims
- 0797US5329005ASoluble anionic polymerization initiators and preparation thereofBRIDGESTONE CORP·Filed 1992·Granted Jul 12, 1994·150 cites·5 claims
- 0896US9676874B2Processes for preparing aminosilane functionalized polymersBRIDGESTONE CORP·Filed 2016·Granted Jun 13, 2017·6 cites·22 claims
- 0996US5574109AAminoalkyllithium compounds containing cyclic amines and polymers therefromBRIDGESTONE CORP·Filed 1995·Granted Nov 12, 1996·101 cites·15 claims
- 1096US5332810ASolubilized anionic polymerization initiator and preparation thereofBRIDGESTONE CORP·Filed 1992·Granted Jul 26, 1994·140 cites·11 claims
- 1196US5066729ADiene polymers and copolymers terminated by reaction with n-alkyl and n-aryl iminesBRIDGESTONE FIRESTONE INC·Filed 1990·Granted Nov 19, 1991·143 cites·28 claims
- 1295US8916665B2Aminosilane initiators and functionalized polymers prepared therefromLAWSON DAVID F·Filed 2011·Granted Dec 23, 2014·15 cites·18 claims
- 1395US7816483B2Amine functionalized polymerBRIDGESTONE CORP·Filed 2006·Granted Oct 19, 2010·22 cites·20 claims
- 1495US6204354B1Soft compounds derived from polypropylene grafted disubstituted ethylene- maleimide copolymersBRIDGESTONE CORP·Filed 1998·Granted Mar 20, 2001·97 cites·22 claims
- 1595US5786441APolymers, elastomeric compounds and products thereof, derived from novel amine compounds containing side-chain organolithium moietiesBRIDGESTONE CORP·Filed 1996·Granted Jul 28, 1998·116 cites·25 claims
- 1695US5502131AMethod of preparing polymer using allyl-and xylyl-amine containing initiatorsBRIDGESTONE CORP·Filed 1995·Granted Mar 26, 1996·93 cites·3 claims
- 1795US5393721AAnionic polymerization initiators and reduced hysteresis products therefomBRIDGESTONE CORP·Filed 1992·Granted Feb 28, 1995·105 cites·18 claims
- 1895US5310798ADiene polymers and copolymers terminated with compounds having multiple-bonded nitrogen atoms and partially crosslinked with polyfunctional reagentsBRIDGESTONE FIRESTONE INC·Filed 1993·Granted May 10, 1994·91 cites·10 claims
- 1994US5932662AAminoalkyllithium compounds containing cyclic amines and polymers therefromBRIDGESTONE CORP·Filed 1996·Granted Aug 3, 1999·76 cites·10 claims
- 2094US5567815ATeritary amine containing antonic initiators used in preparing polymers and process for the preparation thereofBRIDGESTONE CORP·Filed 1994·Granted Oct 22, 1996·66 cites·7 claims
- 2194US5153271ADiene polymers and copolymers terminated by reaction with aromatic nitrilesBRIDGESTONE FIRESTONE INC·Filed 1991·Granted Oct 6, 1992·66 cites·13 claims
- 2293US7504457B2Functionalized polymers and improved tires therefromBRIDGESTONE CORP·Filed 2006·Granted Mar 17, 2009·15 cites·15 claims
- 2393US6699813B2Lanthanide-based catalyst composition for the manufacture of polydienesBRIDGESTONE CORP·Filed 2002·Granted Mar 2, 2004·126 cites·30 claims
- 2493US6080835AAminoalkyllithium compounds containing cyclic amines and polymers therefromBRIDGESTONE CORP·Filed 1997·Granted Jun 27, 2000·70 cites·12 claims
- 2593US6008295ADiene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compoundsBRIDGESTONE CORP·Filed 1997·Granted Dec 28, 1999·95 cites·38 claims
- 2693US5578542ASoluble anionic polymerization initiators and method of preparing sameBRIDGESTONE CORP·Filed 1994·Granted Nov 26, 1996·74 cites·5 claims
- 2793US5109907ADiene polymers and copolymers terminated by reaction with N-alkyl and N-aryl iminesBRIDGESTONE FIRESTONE INC·Filed 1991·Granted May 5, 1992·77 cites·9 claims
- 2892US5866650AComposition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereofBRIDGESTONE CORP·Filed 1997·Granted Feb 2, 1999·87 cites·41 claims
- 2992US5227431ADiene polymers and copolymers jumped by partial crosslinking and terminated with a substituted imineBRIDGESTONE FIRESTONE INC·Filed 1991·Granted Jul 13, 1993·83 cites·38 claims
- 3091US8063153B2Functionalized polymer with linking groupYAN YUAN-YONG·Filed 2005·Granted Nov 22, 2011·12 cites·16 claims
- 3191US7319123B2Use of sulfur containing initiators for anionic polymerization of monomersBRIDGESTONE CORP·Filed 2006·Granted Jan 15, 2008·10 cites·18 claims
- 3291US6025450AAmine containing polymers and products therefromBRIDGESTONE CORP·Filed 1998·Granted Feb 15, 2000·71 cites·37 claims
- 3390US6228908B1Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compoundsBRIDGESTONE CORP·Filed 1999·Granted May 8, 2001·71 cites·16 claims
- 3490US5153159AElastomers and products having reduced hysteresisBRIDGESTONE FIRESTONE INC·Filed 1990·Granted Oct 6, 1992·78 cites·5 claims
- 3589US6084025AReduced hysteresis products prepared with anionic polymerization initiatorsBRIDGESTONE CORP·Filed 1999·Granted Jul 4, 2000·47 cites·35 claims
- 3688US9884923B2Aminosilane initiators and functionalized polymers prepared therefromLAWSON DAVID F·Filed 2010·Granted Feb 6, 2018·6 cites·21 claims
- 3788US7462677B2Sulfur containing initiators for anionic polymerization of monomersBRIDGESTONE CORP·Filed 2007·Granted Dec 9, 2008·7 cites·31 claims
- 3888US7279527B2Method of converting anionic living end to protected free radical living end and applications thereofBRIDGESTONE CORP·Filed 2005·Granted Oct 9, 2007·11 cites·27 claims
- 3988US7230050B2Tire components including thermoplastic-elastomeric block copolymersBRIDGESTONE CORP·Filed 2005·Granted Jun 12, 2007·10 cites·26 claims
- 4087US7612144B2Use of sulfur containing initiators for anionic polymerization of monomersBRIDGESTONE CORP·Filed 2007·Granted Nov 3, 2009·20 cites·8 claims
- 4187US5792820AAlkyllithium compounds containing cyclic amines and their use in polymerizationBRIDGESTONE CORP·Filed 1996·Granted Aug 11, 1998·34 cites·8 claims
- 4285US7964656B2Method of improving carbon black dispersion in rubber compositionsBRIDGESTONE CORP·Filed 2007·Granted Jun 21, 2011·5 cites·18 claims
- 4384US5552473AFunctionalized polymer and rubber compositions produced from solubilized anionic polymerization initiatorsBRIDGESTONE CORP·Filed 1995·Granted Sep 3, 1996·43 cites·12 claims
- 4484US5354822AMethods for preparing functionalized polymer and elastomeric compounds having reduced hysteresisBRIDGESTONE FIRESTONE INC·Filed 1992·Granted Oct 11, 1994·34 cites·14 claims
- 4584US5274106AAmino-substituted aryllithium compounds as anionic polymerization initiatorsBRIDGESTONE CORP·Filed 1991·Granted Dec 28, 1993·31 cites·2 claims
- 4683US7534839B2Sequentially terminated elastomersBRIDGESTONE CORP·Filed 2004·Granted May 19, 2009·18 cites·14 claims
- 4783US6046288AMethod of preparing a polymer using aliphatic solutions of aminoalkyllithium compoundsBRIDGESTONE CORP·Filed 1997·Granted Apr 4, 2000·40 cites·12 claims
- 4883US3957723AFlame and smoke retardants for polyvinyl chlorideFIRESTONE TIRE & RUBBER CO·Filed 1975·Granted May 18, 1976·22 cites·3 claims
- 4980US7723440B2Functionalized polymers and improved vulcanizates therefromBRIDGESTONE CORP·Filed 2003·Granted May 25, 2010·10 cites·9 claims
- 5080US6349753B1Aminoalkyllithium compounds containing cyclic amines and polymers therefromBRIDGESTONE CORP·Filed 2000·Granted Feb 26, 2002·15 cites·20 claims
Showing the top 50 of 109 patent records by PatentIndex Score.
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