| Patent application number | Description | Published |
|---|
| 20080216934 | Tire with sidewall comprised of low viscosity trans 1,4-polybutadiene, cis 1,4-polyisoprene rubber and cis 1,4-polybutadiene rubber - This invention relates to a tire with a sidewall composition comprised of cis 1,4-polyisoprene rubber, particularly natural rubber, and high cis 1,4-polybutadiene rubber combined with a partial replacement of the cis 1,4-polyisoprene rubber with a low Mooney viscosity specialized trans 1,4-polybutadiene. | 09-11-2008 |
| 20080216935 | Tire with sidewall comprised of emulsion styrene/butadiene rubber, cis 1,4-polyisoprene rubber and cis 1,4-polybutadiene rubber - This invention relates to a tire with a sidewall composition comprised of cis 1,4-polyisoprene rubber, particularly natural cis 1,4-polyisoprene rubber, and high cis 1,4-polybutadiene rubber combined with a partial replacement of the cis 1,4-polyisoprene rubber, particularly natural rubber, with a specialized emulsion polymerization styrene/butadiene rubber (E-SBR) having a glass transition temperature (Tg), similar to the Tg of natural cis 1,4-polyisoprene rubber, from about −70 to about −60° C. and a limited bound styrene content in a range of from about 12 to about 16 percent. | 09-11-2008 |
| 20090043039 | Rubber containing hydrophilic sorbitan monostearate and tackifying resin and tire with sidewall thereof - A carbon black reinforced rubber composition which contains hydrophilic sorbitan monostearate and specialized tackifying resin and a pneumatic rubber tire having a visually observable rubber component, such as for example a rubber sidewall, of said rubber composition. The surface of said rubber composition, namely the tire sidewall rubber component, in its uncured state contains said hydrophilic sorbitan monostearate on its surface together with said specialized tackifying resin to promote enhanced building tack and thereby counteract building tack loss by the sorbitan monostearate having been exposed to moisture (moisture exposed surface) during the processing of the rubber composition, particularly after its high shear processing such as, for example, extrusion. | 02-12-2009 |
| 20090044892 | Tire with Component Having Combination Plasticizer - The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising at least one diene based elastomer and a combination plasticizer comprising a polyester phthalate and dibutoxy ethyl adipate. | 02-19-2009 |
| 20090056845 | RUBBER COMPOSITION AND TIRE HAVING COMPONENT CONTAINING COMBINATION OF EMULSION SBR AND TACKIFYING RESIN - This invention relates to a tire with a sidewall composition comprised of a combination of emulsion polymerization prepared styrene/butadiene rubber (referred to herein as emulsion SBR or E-SBR), an alkylphenol/acetylene based tackifying resin, cis 1,4-polybutadiene rubber and a controlled minor amount of cis 1,4-polyisoprene rubber, preferably natural rubber. | 03-05-2009 |
| 20090069474 | TIRE WITH TREAD HAVING ENHANCED WET TRACTION - This invention relates to a tire with a tread of a rubber composition which contains zinc rosinate within and on the surface of said rubber composition. Said zinc rosinate promotes enhanced wet traction for said tire tread by actually replacing a more conventional zinc stearate for a tire tread rubber composition. Said zinc rosinate is a product of a combination of rosin acid and zinc oxide formed in situ within said rubber composition. Said more conventional zinc stearate is a product of a combination of stearic acid and zinc oxide formed in situ within a tread rubber composition. | 03-12-2009 |
| 20090071584 | TIRE HAVING TREAD WITH AN INTERNAL CLOSED CELLULAR RUBBER TRANSITION LAYER - The invention relates to a tire having a rubber tread configuration comprised of a circumferential non-cellular outer rubber cap rubber layer which contains a tread running surface, a circumferential internal, intermediate closed cellular rubber transition rubber layer positioned between said outer tread cap non-cellular rubber layer and a circumferential tread base non-cellular rubber layer. Said internal cellular rubber layer is thereby exclusive of said tread running surface and thereby abridges and joins said outer non-cellular rubber cap layer and said non-cellular base rubber layer of said tread configuration. | 03-19-2009 |
| 20090084477 | TIRE HAVING TREAD WITH REPELLENT GROOVE SURFACE - The present invention relates to a tire having a rubber tread of a lug and groove configuration wherein at least a portion of surface of the grooves is comprised of an elastomeric layer having a repellent property. | 04-02-2009 |
| 20090107608 | TIRE WITH RESISTANCE TO RIM SLIP - This invention relates to a tire with resistance to rim slip, namely slippage of a rubber tire on an associated rigid wheel rim of a tire/rim assembly. The invention relates to a rubber chafer component of a tire for seating the tire against a rigid tire rim. The rubber chafer component is comprised of a rubber composition which contains zinc rosinate within and on the surface of said rubber composition, and thereby the chafer component promotes an increased coefficient of friction of the chafer component against a rigid tire rim of a tire/rim assembly as compared to a more conventional zinc stearate contained in a tire chafer rubber composition. The zinc rosinate is a product of rosin acid and zinc oxide formed in situ within said rubber composition of is added directly to the rubber composition as zinc rosinate. The more conventional zinc stearate is a product of stearic acid and zinc oxide formed in situ within a rubber composition. | 04-30-2009 |
| 20090151830 | TIRE WITH TREAD RUBBER COMPOSITION WHICH CONTAINS DUAL SILICA MOIETIES - The invention relates to a tire having a tread of a cured rubber composition which contains dual silica moieties in a sense of containing both hydrophilic precipitated silica and in situ hydrophobated precipitated silica. | 06-18-2009 |
| 20090151831 | TIRE WITH TREAD RUBBER COMPOSITION WHICH CONTAINS DUAL SILICA MOIETIES - The invention relates to a tire having a tread of a cured rubber composition which contains dual silica moieties in a sense of containing both hydrophilic precipitated silica and in situ hydrophobated precipitated silica. | 06-18-2009 |
| 20090151838 | TIRE CONTAINING AN INTERNAL CORD REINFORCED RUBBER COMPONENT - This invention relates to a tire having an internal component comprised of a cord reinforced polyisoprene-based rubber composition containing silica reinforcement. Such cord reinforced rubber internal tire component may be, for example, at least one of a tire carcass ply, circumferential overlay ply and circumferential belt ply underlying its tread. | 06-18-2009 |
| 20090209690 | RUBBER WITH COMBINATION OF SILICA AND PARTIALLY DECARBOXYLATED ROSIN ACID AND TIRE WITH COMPONENT THEREOF - This invention relates to rubber compositions which contain a combination of silica reinforcement and plant-derived liquid partially decarboxylated rosin acid and to tires having components thereof, such as, for example, tire treads. Said liquid partially decarboxylated rosin acid acts both as a processing aid for the mixing of the rubber composition and as an aid to reinforcement of the rubber composition by interaction with the silica in situ within the rubber composition. | 08-20-2009 |
| 20090255613 | TIRE WITH TREAD HAVING AN INTERMEDIATE RUBBER LAYER CONTAINING A MICROSPHERE DISPERSION - The invention relates to a tire with a tread having an intermediate rubber layer which contains a dispersion of high strength hollow glass and/or ceramic microspheres. In particular, such tire tread is comprised of at least three radially disposed zones of rubber layers composed of a radially outer tread rubber cap layer, a radially inner tread base rubber layer and an intermediate, transition rubber layer positioned between said outer rubber cap layer and said inner rubber base layer. The intermediate tread rubber contains a dispersion of glass and/or ceramic microspheres together with a coupling agent. | 10-15-2009 |
| 20100051157 | INSERT AND BELT OVERLAY CONTAINING CHOPPED CARBON FIBERS - A tire including a carcass, at least two bead regions having a pair of axially spaced beads around which are wrapped turn-up ends, reinforced carcass plies wrapped around the pair of beads, at least one belt structure and tread disposed over the carcass plies, sidewalls disposed between the beads and the tread, at least two apexes, wherein the apexes are a main body of the carcass and the turn-up ends, an EMT insert, and at least one belt overlay; wherein at least one of the group consisting of the apexes, the EMT insert, and the at least one belt overlay contain chopped carbon fibers. | 03-04-2010 |
| 20100056670 | TIRE COMPOUNDS WITH IMPROVED TEAR, FLEX FATIGUE, AND OZONE RESISTANCE - A method of producing a tire including mixing in a non-productive phase at least one elastomer with a polyamide having a melting temperature of less than 180° C. The polyamide is allowed to heat to at least its melting temperature. During the productive phase, at least one curing agent is added to the elastomeric composition. The curing agent may be a sulfur containing curing agent and/or a non-sulfur containing curing agent. The elastomeric composition may optionally include a crystalline EPDM elastomer. The resulting compositions may then be formed into a tire component which may be built into a tire and cured. | 03-04-2010 |
| 20100059160 | CARBON BLACK REINFORCED RUBBER COMPOSITION WITH AROMATIC GUANIDINE ANTIOZONANT AND TIRE HAVING COMPONENT THEREOF - This invention relates to a carbon black reinforced rubber composition with aromatic guanidine antiozonant. The invention particularly relates to a sulfur curable rubber composition which contains a primary sulfenamide sulfur vulcanization accelerator and an antiozonant as a combination of amine antiozonant and a sufficient amount of secondary aromatic guanidine sulfur vulcanization accelerator to require a sulfur vulcanization retarder. Representative of such aromatic guanidine sulfur vulcanization compounds are diphenyl guanidine and di-ortho-tolyl guanidine. The invention further relates to rubber products, including tires, particularly tire sidewalls, comprised of such rubber composition, which are intended to have exposure to atmospheric ozone. | 03-11-2010 |
| 20100065173 | TIRE HAVING TREAD WITH AN INTERNAL CLOSED CELLULAR RUBBER TRANSITION LAYER - The invention relates to a tire having a rubber tread configuration comprised of a circumferential non-cellular outer rubber cap rubber layer which contains a tread running surface, a circumferential internal, intermediate closed cellular rubber transition rubber layer positioned between said outer tread cap non-cellular rubber layer and a circumferential tread base non-cellular rubber layer. Said internal cellular rubber layer is thereby exclusive of said tread running surface and thereby abridges and joins said outer non-cellular rubber cap layer and said non-cellular base rubber layer of said tread configuration. | 03-18-2010 |
| 20100078110 | PNEUMATIC TIRE - The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising
| 04-01-2010 |
| 20100084071 | TIRE WITH RUBBER COMPONENT COMPRISED OF A COMPOSITE OF RUBBER AND FILM OF SYNDIOTACTIC POLYBUTADIENE INTEGRAL WITH ITS SURFACE - This invention relates to a tire having at least one rubber component which contains a cast, extruded, or calendered film of syndiotactic polybutadiene polymer. The syndiotactic polybutadiene polymer film is integral with the surface of the rubber component in a sense of being co-cured therewith. Such film may be added directly to the tire during the building process or involve a separate process of producing a tire component as a composite of the film and a rubber composition (rubber component) prior to the tire building stage. Such composite can be as is or partially pre-cured before being applied in the tire building process. The syndiotactic polybutadiene polymer film is provided to promote both stability and age durability for the tire component. | 04-08-2010 |
| 20100132860 | TIRE CONTAINING CLOSED CELLULAR RUBBER FOAM IN ITS TIRE CAVITY WHICH CONTAINS DIVERSE CARBON BLACKS - Field of Invention The present invention relates to a pneumatic tire having its internal cavity containing a closed cellular rubber which contains a dispersion of at least two diverse carbon blacks to promote an improved path for thermal conductivity with suitable physical properties for the closed cellular foam rubber. | 06-03-2010 |
| 20100132861 | TIRE WITH CELLULAR RUBBER TREAD RUNNING SURFACE - The invention relates to a tire having a tread with a cellular rubber running surface to promote a fast wearing tread running surface designed to expel internally heated tread rubber. | 06-03-2010 |
| 20100160513 | SILICA-RICH RUBBER COMPOSITIONS AND METHODS OF MAKING SAME - The invention includes a silica-rich rubber composition, which exhibits good processing characteristics and improved wet traction characteristics, a method for making and a tire having a tread component including the same. In one embodiment, a rubber composition includes at least one elastomer, from about 30 phr to about 120 phr silica reinforcing filler, from about 0 phr to about 30 phr carbon black reinforcing filler, from about 3 phr to about 10 phr of rosin acid, and from about phr to about 7 phr of zinc oxide, provided that no free stearic acid is separately included in the rubber composition. | 06-24-2010 |
| 20100186868 | PNEUMATIC TIRE - The present invention is directed to a pneumatic tire having a component comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr),
| 07-29-2010 |
| 20100186869 | PNEUMATIC TIRE - The present invention is directed to a pneumatic tire having a component comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr),
| 07-29-2010 |
| 20100200139 | PNEUMATIC TIRE HAVING AIR RETENTION INNERLINER CONTAINING ANCHORED GLASS MICROSPHERES - A pneumatic rubber tire having an integral rubber innerliner containing anchored hollow glass microspheres. | 08-12-2010 |
| 20100216939 | TIRE WITH TREAD OF POLYBUTADIENE RUBBER - Pneumatic rubber tire with an outer, circumferential tread comprised of specialized cis 1,4-polybutadiene rubber based silica/carbon black reinforced rubber composition. | 08-26-2010 |
| 20100317793 | RUBBER COMPOSITION WITH MOISTURE EXPOSED SURFACE CONTAINING COMBINATION OF SILICA AND SPECIALIZED TACKIFYING RESIN AND TIRE WITH COMPONENT THEREOF - An uncured silica-containing rubber composition having a moisture exposed surface wherein the rubber surface contains a combination of silica and a specialized tackifying resin. The moisture exposed silica degrades necessary building tack for the rubber composition. The specialized tackifying resin counteracts and significantly reduces said reduction of building tack caused by the silica/moisture interaction. Accordingly, a method of preparation of silica-containing uncured rubber is provided by processing the rubber under high shear, internal heat generation to cause the rubber composition to reach an elevated temperature followed by treating the surface of the heated rubber composition with moisture to cool the processed rubber composition where the surface of the rubber composition contains said silica together with a specialized tackifying resin. The invention further relates to building an assembly of uncured rubber components of which at east one of such components is a silica-containing moisture exposed rubber composition which contains said specialized tackifying resin. Such assembly is sulfur cured in a suitable mold at an elevated temperature to form a tire with said component, particularly where said component is an atmospherically exposed tire sidewall. Said specialized tackifying resin is a reaction product of t-butyl phenol and formaldehyde or vinyl modified product of t-butyl phenol and formaldehyde to the exclusion of sorbitan monostearate. | 12-16-2010 |
| 20110048599 | TIRE WITH RUBBER TREAD CONTAINING COMBINATION OF RESIN BLEND AND FUNCTIONALIZED ELASTOMER - This invention relates to a pneumatic tire with an outer, running surface containing, circumferential tread comprised of a styrene/butadiene (SBR) rich rubber composition containing two SBR's with spaced apart glass transition temperatures (Tg's), one of which is a functionalized SBR with a functional group reactive with hydroxyl groups on a precipitated silica, together with a combination of at least three resins with spaced apart softening points. The filler reinforcement is a combination of precipitated silica and specialized rubber reinforcing carbon black. | 03-03-2011 |
| 20110048605 | RUBBER COMPOSITION CONTAINING SILICA REINFORCEMENT AND FUNCTIONALIZED POLYBUTADIENE RUBBER AND TIRES HAVING A COMPONENT THEREOF - This invention relates to a silica reinforcement-containing rubber composition which contains a functionalized polybutadiene rubber to promote a relatively low hysteretic loss to thereby enhance its desirability for tire sidewall and subtread applications in a sense of advantageously promoting reduced tire rolling resistance without significantly compromising various other desirable tire performance parameters. | 03-03-2011 |
| 20110054109 | PNEUMATIC TIRE - The present invention is directed to a pneumatic tire having a wire-reinforced component comprising
| 03-03-2011 |
| 20110082242 | PREPARATION OF HIGH SILICA RUBBER COMPOSITION, RESULTING RUBBER COMPOSITION AND TIRE HAVING COMPONENT THEREOF - The invention relates to preparation of a high silica reinforcement-containing rubber composition by a method which involves a delayed and divided inclusion of greater than 50 percent of fatty acid salt processing aid to a rubber composition in an internal rubber mixer following completion of addition of precipitated silica and silica coupling agent in a preceding rubber mixing step in an internal rubber mixer. The invention further relates to a resulting rubber composition and to tires having a component thereof such as, for example, a tire tread. | 04-07-2011 |
| 20110124771 | PNEUMATIC TIRE - The present invention is directed to a pneumatic tire having a component comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), | 05-26-2011 |
