Inventor
LAWSON DAVID F
US94 patents
⚠️ This page may combine multiple inventors who share the name “LAWSON DAVID F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRIDGESTONE CORP
39 patentsUS5521309AMay 28, 1996
Tertiary-amino allyl-or xylyl-lithium initiators and method of preparing same
BRIDGESTONE CORP164 citations99
US5496940AMar 5, 1996
Alkyllithium compounds containing cyclic amines and their use in polymerization
BRIDGESTONE CORP129 citations99
US5329005AJul 12, 1994
Soluble anionic polymerization initiators and preparation thereof
BRIDGESTONE CORP150 citations99
US6204354B1Mar 20, 2001
Soft compounds derived from polypropylene grafted disubstituted ethylene- maleimide copolymers
BRIDGESTONE CORP97 citations98
US5332810AJul 26, 1994
Solubilized anionic polymerization initiator and preparation thereof
BRIDGESTONE CORP140 citations98
US6008295ADec 28, 1999
Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds
BRIDGESTONE CORP95 citations97
US5786441AJul 28, 1998
Polymers, elastomeric compounds and products thereof, derived from novel amine compounds containing side-chain organolithium moieties
BRIDGESTONE CORP116 citations97
US6228908B1May 8, 2001
Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds
BRIDGESTONE CORP71 citations96
US6084025AJul 4, 2000
Reduced hysteresis products prepared with anionic polymerization initiators
BRIDGESTONE CORP47 citations96
US6080835AJun 27, 2000
Aminoalkyllithium compounds containing cyclic amines and polymers therefrom
BRIDGESTONE CORP70 citations96
US5932662AAug 3, 1999
Aminoalkyllithium compounds containing cyclic amines and polymers therefrom
BRIDGESTONE CORP76 citations96
US5866650AFeb 2, 1999
Composition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereof
BRIDGESTONE CORP87 citations96
US5578542ANov 26, 1996
Soluble anionic polymerization initiators and method of preparing same
BRIDGESTONE CORP74 citations96
US5574109ANov 12, 1996
Aminoalkyllithium compounds containing cyclic amines and polymers therefrom
BRIDGESTONE CORP101 citations96
US5567815AOct 22, 1996
Teritary amine containing antonic initiators used in preparing polymers and process for the preparation thereof
BRIDGESTONE CORP66 citations96
US5502131AMar 26, 1996
Method of preparing polymer using allyl-and xylyl-amine containing initiators
BRIDGESTONE CORP93 citations96
US5491230AFeb 13, 1996
Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom
BRIDGESTONE CORP83 citations96
US5393721AFeb 28, 1995
Anionic polymerization initiators and reduced hysteresis products therefom
BRIDGESTONE CORP105 citations96
US6025450AFeb 15, 2000
Amine containing polymers and products therefrom
BRIDGESTONE CORP71 citations95
US5552473ASep 3, 1996
Functionalized polymer and rubber compositions produced from solubilized anionic polymerization initiators
BRIDGESTONE CORP43 citations95
US7816483B2Oct 19, 2010
Amine functionalized polymer
BRIDGESTONE CORP22 citations93
US6349753B1Feb 26, 2002
Aminoalkyllithium compounds containing cyclic amines and polymers therefrom
BRIDGESTONE CORP15 citations93
US6133354AOct 17, 2000
Copolymers as additives in thermoplastic elastomer gels
BRIDGESTONE CORP27 citations93
US6107409AAug 22, 2000
Gels derived from extending grafted comb polymers and polypropylene via a solution synthesis
BRIDGESTONE CORP29 citations93
US5959048ASep 28, 1999
Soluble anionic polymerization initiators for preparing functionalized polymer
BRIDGESTONE CORP21 citations93
US5792820AAug 11, 1998
Alkyllithium compounds containing cyclic amines and their use in polymerization
BRIDGESTONE CORP34 citations93
US5723533AMar 3, 1998
Soluble anionic polymerization initiators and products therefrom
BRIDGESTONE CORP18 citations93
US5674798AOct 7, 1997
Hydrocarbon soluble anionic polymerization initiators
BRIDGESTONE CORP23 citations93
US5610237AMar 11, 1997
Aminoalkyllithium compounds containing cyclic amines and polymers therefrom
BRIDGESTONE CORP25 citations93
US5274106ADec 28, 1993
Amino-substituted aryllithium compounds as anionic polymerization initiators
BRIDGESTONE CORP31 citations93
US9255158B2Feb 9, 2016
Aminosilane initiators, functionalized polymers prepared therefrom and related processes
BRIDGESTONE CORP12 citations92
US7335712B2Feb 26, 2008
Process of producing a siloxy-functionalized polymer
BRIDGESTONE CORP46 citations92
US6046288AApr 4, 2000
Method of preparing a polymer using aliphatic solutions of aminoalkyllithium compounds
BRIDGESTONE CORP40 citations92
US5935893AAug 10, 1999
Aliphatic solutions of aminoalkyllithium compounds
BRIDGESTONE CORP30 citations92
US5916976AJun 29, 1999
Polymers, elastomeric compounds, and products thereof, terminated with novel amine compounds containing side-chain organohalide reactive moieties
BRIDGESTONE CORP21 citations92
US5736617AApr 7, 1998
Polymers, elastomeric compounds, and products thereof, terminated with novel amine compounds containing side-chain organohalide reactive moieties
BRIDGESTONE CORP25 citations92
US9676874B2Jun 13, 2017
Processes for preparing aminosilane functionalized polymers
BRIDGESTONE CORP6 citations84
US7723440B2May 25, 2010
Functionalized polymers and improved vulcanizates therefrom
BRIDGESTONE CORP10 citations84
US7534839B2May 19, 2009
Sequentially terminated elastomers
BRIDGESTONE CORP18 citations84
BRIDGESTONE FIRESTONE INC
9 patentsUS5066729ANov 19, 1991
Diene polymers and copolymers terminated by reaction with n-alkyl and n-aryl imines
BRIDGESTONE FIRESTONE INC143 citations98
US5310798AMay 10, 1994
Diene polymers and copolymers terminated with compounds having multiple-bonded nitrogen atoms and partially crosslinked with polyfunctional reagents
BRIDGESTONE FIRESTONE INC91 citations96
US5227431AJul 13, 1993
Diene polymers and copolymers jumped by partial crosslinking and terminated with a substituted imine
BRIDGESTONE FIRESTONE INC83 citations96
US5153159AOct 6, 1992
Elastomers and products having reduced hysteresis
BRIDGESTONE FIRESTONE INC78 citations96
US5153271AOct 6, 1992
Diene polymers and copolymers terminated by reaction with aromatic nitriles
BRIDGESTONE FIRESTONE INC66 citations96
US5109907AMay 5, 1992
Diene polymers and copolymers terminated by reaction with N-alkyl and N-aryl imines
BRIDGESTONE FIRESTONE INC77 citations96
US5354822AOct 11, 1994
Methods for preparing functionalized polymer and elastomeric compounds having reduced hysteresis
BRIDGESTONE FIRESTONE INC34 citations93
US5268413ADec 7, 1993
Elastomers and products having reduced hysteresis
BRIDGESTONE FIRESTONE INC27 citations93
US5210145AMay 11, 1993
Diene polymers and copolymers terminated by reaction with fused-ring polynuclear aromatic compounds
BRIDGESTONE FIRESTONE INC30 citations93
LAWSON DAVID F
1 patentYAN YUAN-YONG
1 patentShowing the top 50 of 94 patents by PatentIndex Score.