US Patent No: 7,723,440
Number of patents in Portfolio can not be more than 2000
Functionalized polymers and improved vulcanizates therefrom
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May 25, 2010
Issued date -
Aug 29, 2003
filing date -
10/526,132
serial no -
In Force
status
Importance
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Abstract
is a bond or a divalent organic group, and α is a sulfur-containing heterocycle.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,675,355 Rubber composition | 8 | 1985 | |
| 5,151,469 Method of preparing elastomers having reduced hysteresis properties with sulfoxides | 5 | 1991 | |
| 5,153,271 Diene polymers and copolymers terminated by reaction with aromatic nitriles | 18 | 1991 | |
| 5,254,628 Diene polymers having reduced hysteresis and improved raw viscosity incorporating primary partial coupling and terminals formed from aromatic nitrile compounds | 4 | 1991 | |
| 5,210,144 Diene polymers having reduced hysteresis and improved raw viscosity incorporating primary partial coupling and fused-ring polynuclear aromatic terminators | 6 | 1991 | |
| 5,238,893 Method of preparing an anionic polymerization initiator | 40 | 1991 | |
| 5,244,966 1,3,2-dioxastannolane-modified elastomers and compositions containing them having reduced hysteresis properties | 2 | 1991 | |
| 5,274,106 Amino-substituted aryllithium compounds as anionic polymerization initiators | 18 | 1991 | |
| 5,276,099 (Vinyl sulfoxide)-capped elastomers and compositions containing them having reduced hysteresis properties | 2 | 1991 | |
| 5,248,722 Tire tread composition | 12 | 1992 | |
| 5,329,005 Soluble anionic polymerization initiators and preparation thereof | 54 | 1992 | |
| 5,332,810 Solubilized anionic polymerization initiator and preparation thereof | 57 | 1992 | |
| 5,420,219 Low-hysteresis elastomer compositions using amino-substituted aryllithium polymerization initiators | 8 | 1993 | |
| 5,436,290 Low-hysteresis elastomer compositions using amino-substituted aryllithium polymerization initiators | 5 | 1993 | |
| 5,955,531 Pneumatic tires having reduced rolling resistance | 3 | 1993 | |
| 5,463,003 Process for polymerizing conjugated dienes with lithium-tin-nitrogen initiators | 5 | 1993 | |
| 5,491,230 Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom | 17 | 1993 | |
| 5,463,004 Process for polymerizing conjugated dienes with lithium-tin-nitrogen initiators | 3 | 1994 | |
| 5,578,542 Soluble anionic polymerization initiators and method of preparing same | 15 | 1994 | |
| 5,464,899 High modulus low hysteresis rubber compound for pneumatic tires | 8 | 1994 | |
| 5,567,815 Teritary amine containing antonic initiators used in preparing polymers and process for the preparation thereof | 13 | 1994 | |
| 5,674,798 Hydrocarbon soluble anionic polymerization initiators | 6 | 1994 | |
| 5,521,309 Tertiary-amino allyl-or xylyl-lithium initiators and method of preparing same | 57 | 1994 | |
| 5,508,333 Diene polymers and copolymers having an alkoxysilane group | 57 | 1994 | |
| 5,508,336 Rubber composition | 8 | 1994 | |
| 5,496,940 Alkyllithium compounds containing cyclic amines and their use in polymerization | 42 | 1995 | |
| 5,574,109 Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | 33 | 1995 | |
| 5,519,086 Low-hysteresis elastomer compositions using amino-substituted aryllithium polymerization initiators | 8 | 1995 | |
| 5,523,371 Functionalized polymer of improved hysteresis properties prepared using amino-substituted aryllithium polymerization initiators | 8 | 1995 | |
| 5,643,848 Soluble anionic polymerization initiators and products therefrom | 7 | 1995 | |
| 5,552,473 Functionalized polymer and rubber compositions produced from solubilized anionic polymerization initiators | 24 | 1995 | |
| 5,494,091 High modulus low hysteresis rubber compound for pneumatic tires | 43 | 1995 | |
| 5,494,958 High modulus low hysteresis rubber compound for pneumatic tires | 27 | 1995 | |
| 5,500,447 Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom | 4 | 1995 | |
| 5,502,130 Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom | 5 | 1995 | |
| 5,502,131 Method of preparing polymer using allyl-and xylyl-amine containing initiators | 27 | 1995 | |
| 5,536,801 Allyl-and xylyl-amine containing elastomers and products having reduced hysteresis | 4 | 1995 | |
| 5,552,499 Process of preparing reduced hysteresis products using anionic polymerization initiators | 5 | 1995 | |
| 5,610,228 Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom | 3 | 1995 | |
| 5,883,183 Reduced hysteresis products prepared with anionic polymerization initiators | 6 | 1995 | |
| 5,625,017 Process for preparing a polymer using lithium initiator prepared by in situ preparation | 4 | 1995 | |
| 5,792,820 Alkyllithium compounds containing cyclic amines and their use in polymerization | 4 | 1996 | |
| 5,616,704 Solubilized anionic polymerization initiators | 5 | 1996 | |
| 5,610,237 Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | 19 | 1996 | |
| 5,717,043 Process for preparing a polymer using lithium initiator prepared by in situ preparation | 2 | 1996 | |
| 5,677,399 Synthesis of macrocyclic polymers with group IIA and IIB metal cyclic organometallic initiators | 11 | 1996 | |
| 5,932,662 Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | 30 | 1996 | |
| 5,700,888 Synthesis of macrocyclic polymers having low hysteresis compounded properties | 42 | 1996 | |
| 5,723,533 Soluble anionic polymerization initiators and products therefrom | 7 | 1996 | |
| 5,736,617 Polymers, elastomeric compounds, and products thereof, terminated with novel amine compounds containing side-chain organohalide reactive moieties | 13 | 1996 | |
| 5,786,441 Polymers, elastomeric compounds and products thereof, derived from novel amine compounds containing side-chain organolithium moieties | 30 | 1996 | |
| 5,785,778 Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | 8 | 1997 | |
| 5,959,048 Soluble anionic polymerization initiators for preparing functionalized polymer | 4 | 1997 | |
| 5,866,650 Composition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereof | 39 | 1997 | |
| 5,916,961 Amine-initiated elastomers having hysteresis reducing interaction with silica | 41 | 1997 | |
| 6,008,295 Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds | 46 | 1997 | |
| 6,252,007 Elastomers having a reduced hysteresis via interaction of polymer with silica surfaces | 10 | 1997 | |
| 5,935,893 Aliphatic solutions of aminoalkyllithium compounds | 10 | 1997 | |
| 6,046,288 Method of preparing a polymer using aliphatic solutions of aminoalkyllithium compounds | 14 | 1997 | |
| 6,080,835 Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | 27 | 1997 | |
| 5,936,029 Macrocyclic polymers having low hysteresis compounded properties | 35 | 1997 | |
| 5,916,976 Polymers, elastomeric compounds, and products thereof, terminated with novel amine compounds containing side-chain organohalide reactive moieties | 6 | 1997 | |
| 6,235,819 Process to scavenge amines in polymeric compounds by treatment with triazine derivatives and compositions therefrom | 9 | 1997 | |
| 6,136,914 Anionic polymerization initiators for preparing macro-branched diene rubbers | 12 | 1998 | |
| 6,274,680 Sulfenyl halide polymerization terminators | 2 | 1998 | |
| 6,228,908 Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds | 23 | 1999 | |
| 6,255,401 Rubber composition and pneumatic tire using the rubber composition | 3 | 1999 | |
| 6,084,025 Reduced hysteresis products prepared with anionic polymerization initiators | 22 | 1999 | |
| 6,313,232 Continuous addition of tin halides to solution SBR | 2 | 1999 | |
| 6,369,167 Polymer, process for making the polymer, and rubber composition using the polymer | 10 | 1999 | |
| 6,271,314 Anionic polymerization initiators for preparing macro-branched diene rubbers | 3 | 2000 | |
| 6,596,798 Preparation of low hysteresis rubber by reacting a lithium polymer with oxazoline compounds | 8 | 2001 | |
| 2006/0074,197 Functionalized polymers and improved vulcanizates therefrom | 4 | 2003 | |
| 7,153,919 Use of sulfur containing initiators for anionic polymerization of monomers | 20 | 2003 | |
| 7,186,845 Polymer-filler coupling additives | 3 | 2004 | |
| 2006/0178,467 Tire treads with reduced hysteresis loss | 6 | 2006 | |
| 2006/0264,589 Anionic polymerization initiators and polymers therefrom | 16 | 2006 | |
| 2006/0264,590 Anionic polymerization initiators and polymers therefrom | 17 | 2006 | |
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| 4,465,829 Elastomeric composition comprising natural rubber for use under dynamic, high heat conditions | 7 | 1983 | |
| 4,713,409 Vulcanizable polymeric compositions containing a zinc dimethacrylate adjuvant and method for preparing the adjuvant | 26 | 1986 | |
| 5,066,729 Diene polymers and copolymers terminated by reaction with N-alkyl and N-aryl imines | 88 | 1990 | |
| 5,153,159 Elastomers and products having reduced hysteresis | 43 | 1990 | |
| 5,268,439 Tin containing elastomers and products having reduced hysteresis properties | 43 | 1991 | |
| 5,217,549 Pneumatic safety tire | 21 | 1991 | |
| 5,227,431 Diene polymers and copolymers jumped by partial crosslinking and terminated with a substituted imine | 38 | 1991 | |
| 5,109,907 Diene polymers and copolymers terminated by reaction with N-alkyl and N-aryl imines | 31 | 1991 | |
| 5,268,413 Elastomers and products having reduced hysteresis | 17 | 1991 | |
| 5,354,822 Methods for preparing functionalized polymer and elastomeric compounds having reduced hysteresis | 23 | 1992 | |
| 5,367,014 High modulus low hysteresis rubber compound for pneumatic tires | 5 | 1993 | |
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| 4,557,306 Carbon black-furazan oxide product and rubber compositions containing same | 12 | 1984 | |
| 4,570,690 Mixing procedure for obtaining filled rubber vulcanizates containing aromatic furazan oxides | 5 | 1984 | |
| 4,751,271 Furazan oxide modified rubbers and rubber compositions containing same | 6 | 1987 | |
| 4,762,870 Rubber compositions modified with hydroxy-benz-imidazole oxides | 7 | 1987 | |
| 4,927,887 Modified rubber compositions containing aromatic six-membered heterocyclic nitrogen-containing groups | 14 | 1988 | |
| 5,393,721 Anionic polymerization initiators and reduced hysteresis products therefom | 42 | 1992 | |
| 5,610,227 Lithium amino magnesiate polymerization initiators and elastomers having reduced hysteresis | 24 | 1995 | |
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| 5,210,145 Diene polymers and copolymers terminated by reaction with fused-ring polynuclear aromatic compounds | 8 | 1991 | |
| 5,310,798 Diene polymers and copolymers terminated with compounds having multiple-bonded nitrogen atoms and partially crosslinked with polyfunctional reagents | 33 | 1993 | |
| 5,346,962 Elastomers having reduced hysteresis prepared with vinyl imidazole | 4 | 1993 | |
| 5,349,024 Elastomers having reduced hysteresis prepared with vinyl polycyclic aromatic hydrocarbon | 11 | 1993 | |
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| 4,761,446 Rubber compositions modified with benzimidazo-linones | 5 | 1987 | |
| 4,822,845 Rubber compositions modified with heterocyclic di-N-oxides | 5 | 1987 | |
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| 4,839,434 Preparation of homo- and copolymers having terminal mercapto groups and their use | 5 | 1988 | |
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| 6,579,949 Preparation of low hysteresis rubber by reacting a lithium polymer with a sulfur containing reagent | 10 | 2001 | |
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| 5,374,364 Multifunction viscosity index improvers | 6 | 1993 | |
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| 6,838,526 Modified conjugated diene polymer and method of producing the same and rubber composition | 26 | 2000 | |
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| 5,502,129 Triorganotin lithium, process to prepare same and anionic polymerization initiated therewith | 7 | 1994 | |
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| 6,025,200 Method for remote detection of volatile taggant | 43 | 1996 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
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| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 25, 2021 |
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