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| Number | Title | Issue Date |
| 7434605 | Tire for heavy vehicle The invention relates to a tire for heavy vehicle of the agricultural or construction type, comprising a carcass reinforcement radially surmounted by a crown reinforcement, itself topped radially by a tread, said tread being joined to two beads by means of two sidew... | 10/14/2008 |
| 7378465 | Tire components having improved modulus A tire component including a tire tread that comprises a vulcanized rubber, a rubber filler, and a modified rubber, where the modified rubber i) contains pendent or functional groups that contain carboxylic acid or anhydride groups, ii) has pendently grafted thereto... | 05/27/2008 |
| 7351759 | Rubber composition for a tire comprising a coupling agent having a polythiosulfenamide function An elastomeric composition usable for the manufacture of tires, based on at least (i) a diene elastomer, (ii) an inorganic filler as reinforcing filler and (iii), as (inorganic filler/diene elastomer) coupling agent, a polysilylated organosilicon compound which is a... | 04/01/2008 |
| 7342070 | Conjugated diolefin (co)polymer rubber, process for producing (co)polymer rubber, rubber composition, composite, and tire Disclosed are a conjugated diolefin (co) polymer rubber formed from either a conjugated diolefin or a conjugated diolefin and an aromatic vinyl compound, wherein the (co) polymer rubber has a primary amino group and an alkoxysilyl group which are bonded to a (co) po... | 03/11/2008 |
| 7337815 | Tire with tread of rubber composition containing diverse carbon blacks The invention relates to a tire with a component composed of a rubber composition containing at least two diverse carbon blacks. In one aspect such tire is a heavy tire and such component is a tread for a heavy tire which contains at least two diverse carbon blacks ... | 03/04/2008 |
| 7319123 | Use of sulfur containing initiators for anionic polymerization of monomers An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic initiator, and optionally as additional functional group resulting f... | 01/15/2008 |
| 7285584 | Tire with component comprised of rubber composition containing hydrophobated, pre-silanized silica The invention relates to a tire having at least one component comprised of a rubber composition which contains a hydrophobated, pre-silanized silica, namely a pre-silanized silica hydrophobated with an epoxidized soybean oil and/or epoxidized rubber tree seed oil in... | 10/23/2007 |
| 7259205 | Pneumatic tire The invention is directed to a pneumatic tire having a tread including a vulcanizable rubber composition including, expressed as parts by weight per 100 parts by weight of elastomer (phr), (A) 60 to 95 phr of solution-polymerized s... | 08/21/2007 |
| 7241824 | Rubber composition for a tire comprising a coupling agent (white filler/diene elastomer) activated by a heat-triggered radical initiator A sulphur-vulcanizable rubber composition usable for the manufacture of tires, based on at least: (A)—one diene elastomer selected from the group consisting of polybutadienes, natural rubber, synthetic polyisoprenes, butadiene copolymers, isoprene cop... | 07/10/2007 |
| 7235599 | Rubber composition and racing tire having tread comprising thereof There is provided a racing tire improving grip performance, processability and rubber strength at a high temperature in highly good balance and a rubber composition capable of producing a tread having thereof. A rubber composition comprising 70 to 150 parts by weigh... | 06/26/2007 |
| 7222650 | Tire with a tread comprising a rubbery polymer of a functionalized monomer This invention discloses a process for synthesizing an amine functionalized monomer that comprises (1) reacting a secondary amine with a 2,3-dihalopropene to produce a vinyl halide containing secondary amine having a structural formula selected from the group consis... | 05/29/2007 |
| 7205360 | Preparation process for block copolymers for tire tread compositions, and such copolymers A preparation process for a copolymer having two blocks usable in a sulphur-cross-linkable rubber composition of reduced hysteresis in the cross-linked state, such a block copolymer in which one of the blocks is a polyisoprene and the other a diene elastomer other t... | 04/17/2007 |
| 7199175 | Tread for a tire having a rigidity gradient A tire tread comprising a rubber composition based on (phr: parts by weight per hundred parts of elastomer): (i) a diene elastomer; (ii) more than 50 phr of an inorganic filler as reinforcing filler; | 04/03/2007 |
| 7156137 | Preparation of starch reinforced rubber and use thereof in tires The invention relates to a rubber composition which contains starch/plasticizer composite, precipitated silica and carbon black reinforcement together with a coupling agent wherein the coupling agent is an organosilane polysulfide having an average of from about 2 t... | 01/02/2007 |
| 7152642 | Tire for a vehicle wheel and process for producing the tire A tire for a vehicle wheel includes at least one first component and at least one second component. The at least one first component includes a first elastomeric material crosslinked in substantial absence of sulfur. The at least one second component includes a seco... | 12/26/2006 |
| 7144465 | Crosslinkable elastomeric composition, tire including a crosslinked elastomeric material, and process for producing the tire A crosslinkable elastomeric composition includes at least one elastomeric polymer including carboxylic groups, and at least one epoxidized elastomeric polymer including greater than or equal to 0.1 mol % and less than or equal to 20 mol % of epoxide groups relative ... | 12/05/2006 |
| 7108033 | Synthetic rubber that exhibits low hysteresis This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) 0.1 weight percent to 2 weight percent of at least one monomer having the structural formula: ... | 09/19/2006 |
| 7084228 | Rubber composition for a tire tread A cross-linkable or cross-linked rubber composition usable to constitute a tire tread having improved wear resistance, to such a tread and to a tire incorporating this tread. The composition is particularly applicable to tires of passenger-vehicle type. The rubber c... | 08/01/2006 |
| 7064171 | Non-random styrene-butadiene rubber The present invention reveals a tire having a tread that is comprised of (1) 30 phr to 80 phr of a non-random styrene-butadiene rubber comprised of polymer chains that are derived from styrene and 1,3-butadiene, wherein from about 10 weight percent to about 50 weigh... | 06/20/2006 |
| 7055566 | Light weight rubber composition containing clay This invention relates to a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said bea... | 06/06/2006 |
| 6994137 | Tire with component of carbon black rich rubber composition which contains alkylphenoxypoly (alkyleneoxy) alkanol A pneumatic rubber tire having at least one visually exposed component (e.g. sidewall) comprised of a carbon black reinforced rubber composition and contains a significant amount of at least one alkylphenoxypoly(alkyleneoxy) alkanol. Such tire component particularly... | 02/07/2006 |
| 6955199 | Tire with non-marking tread The present invention overcomes several disadvantages in conventional tires by providing a non-marking surface to the tire. The tire can be a pneumatic bias tire having a pair of parallel annular beads, at least one carcass ply wrapped around the beads, a non-markin... | 10/18/2005 |
| 6939920 | Tire sidewall compounds having improved flex fatigue and tread compound having improved tear strength Sidewalls of a pneumatic tire have greater resistance to failure due to dynamic flexing and abrasion, and the tire's tread has better resistance to tearing than with conventionally used rubber compositions, when sidewalls and tread are formed from a compound having ... | 09/06/2005 |
| 6852785 | Vulcanizable elastomeric compositions for use as tire treads Vulcanizable elastomeric compounds having enhanced viscoelastic properties include 100 parts by weight of at least one diene-based elastomer, and from about 30 to about 160 phr of filler. The filler may contain zinc sulfate (with an average particle size of about 0.... | 02/08/2005 |
| 6835769 | Rubber composition for a tire, based on diene elastomer and a reinforcing titanium oxide The invention provides rubber composition usable for the manufacture of tires, comprising at least (i) one diene elastomer, (ii) one white filler as reinforcing filler and (iii) one coupling agent (white filler/elastomer), the white filler comprising a titanium oxid... | 12/28/2004 |
| 6747087 | Rubber composition for a tire, based on diene elastomer and a reinforcing titanium oxide The invention provides rubber composition usable for the manufacture of tires, comprising at least (i) one diene elastomer, (ii) one white filler as reinforcing filler and (iii) one coupling agent (white filler/elastomer), the white filler comprising a titanium oxid... | 06/08/2004 |
| 6723777 | Tire with minimal-marking tread and skid steering, fixed axle, tire/wheel or vehicular track assembly where said tire or track has a minimal-marking tread The present invention relates to tires and vehicular tracks having minimal-marking rubber treads and particularly to skid steering, fixed axle, tire/wheel or track assemblies where said tire or vehicular track has a minimal-marking tread. In particular, such rubber ... | 04/20/2004 |
| 6672350 | Tire with shock absorbing configured rubber tread The invention relates to a pneumatic rubber tire with an outer, circumferential tread wherein said tread has a tread configuration comprised of spaced apart, raised lugs designed to be shock absorbingly ground contacting, wherein said tread and lugs are c... | 01/06/2004 |
| 6667353 | Rubber composition and tire having tread thereof A rubber composition comprised of an elastomer(s) reinforced with a particulate carbon black composite, and a coupling agent. Said carbon black composite contains integral silica on the surface thereof, wherein said carbon black composite is prepared by c... | 12/23/2003 |
| 6583210 | Tire having tread with co-extruded non-black colored overlay The present invention relates to a tire with a carbon black-containing, black-colored, circumferential tread of a cap/base construction, wherein said tread cap has a lug and groove configuration and wherein the outer surface of a major portion of said gro... | 06/24/2003 |
| 6581659 | Tire with silica-reinforced tread comprised of trans 1,4-polybutadiene, solution, SBR polyisoprene and defined amount of carbon black and amorphous silica This invention relates to a tire having a tread of a cap/base construction wherein the tread cap is composed of trans 1,4-polybutadiene, solution polymerization prepared styrene/butadiene copolymer rubber, cis 1,4-polyisoprene rubber and defined amounts o... | 06/24/2003 |
| 6512036 | Rubber composition comprising pentaerythritol derivative and tire with component thereof The invention relates to a sulfur curable (and cured) rubber composition which contains one or more pentaerythritol derivatives as pentaerythritol tetrabenzoate (PTB) and/or pentaerythritol tetrakis (3,5-di-tert-butyl-4-hydroxyhydrocinnamate) (PTHC) toget... | 01/28/2003 |
| 6476115 | SILICA REINFORCED RUBBER COMPOSITION WHICH CONTAINS OLEYLAMMONIUM BROMIDE AND/OR MERCAPTOIMIDAZOLIUM BROMIDE COUPLING AGENTS TO ENHANCE ELECTRICAL CONDUCTIVITY AND ARTICLE OF MANUFACTURE, INCLUDING A TIRE, HAVING AT LEAST ONE COMPONENT COMPRISED OF SUCH RUBBER COMPOSITION This invention relates to a conjugated diene-based rubber composition reinforced with silica-based reinforcement together with a non-silane coupling agent as N-3-(1,2-dihydroxypropyl)-N-oleylammonium bromide and/or N-3-(1,2-dihydroxypropyl)-N-methyl-2-mer... | 11/05/2002 |
| 6448325 | Rubber composition containing a silica coated with a liquid low molecular weight epoxidized butadiene polymer There is disclosed a rubber composition particularly suited for use in tires. The rubber composition is composed of 100 parts by weight of at least one rubber containing olefinic unsaturation; and from 1 to 150 parts per 100 parts by weight of rubber, of ... | 09/10/2002 |
| 6390163 | Tread rubber for high traction tires The subject invention is based upon the unexpected discovery that tires having outstanding dry and wet traction characteristics, including wet skid resistance, can be made by incorporating certain blends of styrene-butadiene rubber (SBR) and isoprene-buta... | 05/21/2002 |
| 6357499 | Polymeric resinous material derived from limonene, dicyclopentadiene, indene and tertiary-butyl styrene The present application relates to polymeric resinous material comprising (1) from 5 to 70 weight percent units derived from limonene; (2) from 5 to 70 weight percent units derived from dicyclopentadiene; (3) from 5 to 45 weight percent units derived from indene; and (4... | 03/19/2002 |
| 6355728 | Block copolymer rubber composition comprising the same and pneumatic tire made therefrom A block copolymer (1) containing a polymer block A of a conjugated diene and a random copolymer block B of a conjugated diene and aromatic vinyl compound, (2) having a weight ratio (A:B) of the polymer block A and the copolymer block B of 5:95 to 95:5, (3... | 03/12/2002 |
| 6355710 | Rubber composition A rubber composition comprising (A) at least one natural or synthetic diene rubber, (B) an inorganic filler comprising at least one of silica and silicates as the main component and (C) an addition salt of an amine represented by general formula (I): ... | 03/12/2002 |
| 6306949 | Preparation of reinforced rubber and use in tires The invention relates to the preparation of a rubber composition containing silica-based filler reinforcement through the utilization of a organosilane disulfide compound mixed with a rubber composition in at least one preparatory, non-productive, mixing ... | 10/23/2001 |
| 6277902 | Mixtures of rubbers and activated and hydrophobic oxidic and siliceous fillers and a process for their preparation The present invention relates to rubber compounds comprising one or more soluble rubbers, hydrophobized filler, and one or more sulfane-silane compounds on an inorganic or organic support and to a process for making them. The novel rubber compounds are su... | 08/21/2001 |
