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| Number | Title | Issue Date |
| 7429393 | Process for forming centipede polymer gels A process that enables the formation of a high damping, soft polymer gel includes reacting a maleimide copolymer with a maleated polyalkylene and an alkyl diamine under substantially dry conditions sufficient to form a polyalkylene-grafted maleimide copolymer produc... | 09/30/2008 |
| 7230050 | Tire components including thermoplastic-elastomeric block copolymers A tire component comprising a vulcanized rubber, and from about 3 to about 85 parts by weight, per 100 parts by weight rubber, of a filler dispersed within said vulcanized rubber, where the vulcanized rubber includes the vulcanized residue of a thermoplastic-elastom... | 06/12/2007 |
| 7165584 | Rubber compositions and vulcanizates comprising nylon-containing copolymers A tire comprising a tread, where the tread includes a vulcanized rubber, from about 5 to about 80 parts by weight of a nylon-containing block copolymer per 100 parts by weight of the vulcanized rubber, and from about 1 to about 100 parts by weight filler per 100 par... | 01/23/2007 |
| 7157521 | Soft gel compositions for hot adhesion A gel composition that is the combination of or reaction product of ingredients comprising a thermoplastic elastomer copolymer, a functionalized polyolefin, an extender, and optionally a fatty acid. ... | 01/02/2007 |
| 7119150 | Silica-reinforced rubber compounded with an alkoxysilane and a catalytic alkyl tin compound Improvements in the tensile mechanical properties and dynamic viscoelastic properties of silica-reinforced sulfur-vulcanized rubbers can be achieved by compounding elastomers with silica, in the presence of a silane and a catalytic amount of an alkyl tin compound at... | 10/10/2006 |
| 7112369 | Nano-sized polymer-metal composites A polymer nanoparticle is provided. The nanoparticle includes an inner layer having alkenylbenzene monomer units. The nanoparticle further includes an outer layer having monomer units selected from conjugated dienes, alkylenes, alkenylbenzenes, and mixtures thereof.... | 09/26/2006 |
| 7056110 | Apparatus for making reinforcement ply material An apparatus for making reinforcement ply material wherein reinforcement elements are grouped in untwisted sets and adjacent reinforcement elements in the same set are spaced apart a distance less than the distance between adjacent sets. The apparatus includes an ex... | 06/06/2006 |
| 7041734 | Soft gel composition of low permeability A gel composition that is the combination of or reaction product of ingredients comprising a thermoplastic elastomer copolymer comprising polystyrene-b-poly(ethylene-ethylene/propylene)-b-polystyrene, a nylon-grafted elastomer, and an extender. ... | 05/09/2006 |
| 7041745 | Addition of polar polymer to improve tear strength and processing of silica filled rubber A vulcanizable rubber composition is provided that comprises an elastomer, a reinforcing filler comprising silica or a mixture thereof with carbon black, a silica dispersing aid comprising about 0.1 to about 15 phr poly(vinyl acetate) (PVA), and a cure agent. The ad... | 05/09/2006 |
| 7034084 | Process and apparatus for the hydrogenation of polymers under supercritical conditions The present invention provides a process for the hydrogenation of a polymer under supercritical conditions. A reaction mixture of hydrogen, at least one polymer, at least one hydrogenation catalyst, and appropriate solvent(s) for the at least one polymer and catalys... | 04/25/2006 |
| 7029544 | Conductive pathways in tire treads for reduced static charge buildup A pneumatic tire having improved conductivity is disclosed herein whereby the tire is provided with at least one conductive pathway extending through the tread surface and contacting the tread cushion. Conductive pathways are created by introducing small volumes of ... | 04/18/2006 |
| 7019065 | Large sized carbon black particles to reduce needed mixing energy of high hardness, stiff tire compositions A reinforced high viscosity rubber composition having improved processability such as reduced mixing cycles contains large sized particles of carbon black. The carbon black has low structure and a low DBP absorption number as well as a low iodine number. The rubber ... | 03/28/2006 |
| 7008899 | Lanthanide-based catalyst composition for producing cis-1,4-polydienes A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) a lanthanide compound, (b) an organoaluminum hydride, and (c) a tin halide compound. ... | 03/07/2006 |
| D515498 | Tire tread | 02/21/2006 |
| D508673 | Tire tread | 08/23/2005 |
| D508674 | Tire tread | 08/23/2005 |
| 6921793 | Rubber compositions and vulcanizates including comb-branched polymers A vulcanizate comprising a rubber, and a damping component that is prepared by preparing a mixture of living polymers that include living polymers with at least two living ends and living polymers with one living end to form a mixture of living polymers, and couplin... | 07/26/2005 |
| 6845797 | Tire compositions comprising epoxidized natural rubber and a functionalized polyolefin A tire comprising a tread, where said tread includes a vulcanized rubber, where said vulcanized rubber includes from about 0.5 to about 40 weight percent epoxidized rubber; from about 1 to about 35 parts by weight of a functionalized polyolefin per 100 parts by weig... | 01/25/2005 |
| 6838539 | Cureable silane functionalized sealant composition and manufacture of same The present invention is directed to a method of forming a polymer composition having quaternary alkane units and aromatic hydrocarbon units. The aromatic hydrocarbon units have substituents of the general formula R1SiR2R3R4 | 01/04/2005 |
| 6806307 | Synthesis and use of chain-coupled polymeric sulfide compounds in rubber formulations The invention provides chain-coupled polymeric sulfide compounds for use as the elastomeric component in vulcanizable elastomeric compositions comprising silica, carbon black or mixtures thereof. In particular, the invention provides anionically polymerized polymers... | 10/19/2004 |
| 6790889 | Processability of silica-filled rubber stocks The present invention provides silica-filled, vulcanized elastomeric compounds comprising an elastomer mixed with at least a silica filler, a processing aid, and a curing agent, and processes for the preparation of the same. Generally, the present invention provides... | 09/14/2004 |
| 6774185 | Metal hydroxide filled rubber compositions and tire components A tire component formed by a process comprising the steps of (A) vulcanizing a rubber composition comprising, (1) a rubber, (2) a modified polyolefin additive, (3) an aluminum hydroxide filler, and (4) a rubber vulcanizing agent. ... | 08/10/2004 |
| 6737470 | Curable sealant composition A curable sealant composition is provided. The composition includes a polymer including at least conjugated diene contributed monomer units in a backbone of the polymer and terminal groups including silicon. The composition also includes additional sealant ingredien... | 05/18/2004 |
| 6734245 | High density metal oxide fillers in rubber compounds The use of high density metal oxide fillers in vulcanizable rubber compounds is disclosed. The use of the fillers reduce or eliminate the need for conventional fillers, such as carbon black or silica, because viscoelastic performance properties of vulcanized rubber ... | 05/11/2004 |
| 6730732 | Rubber compositions containing ground curing bladder rubber Rubber compositions such as tire innerliners contain significant amounts of ground, fine size tire curing bladder rubber as a filler. Critical properties such as air retention are not affected and spent or old curing bladder rubber which would otherwise go to a land... | 05/04/2004 |
| 6723888 | Humidification of hydrocarbon mixtures for use in polymer synthesis A humidification system (A) for humidifying a dry hydrocarbon stream includes a column (10) which defines an interior cavity (20). The cavity is partially filled with a bed (12) of a packing material (40) and a layer of water (20),... | 04/20/2004 |
| 6713541 | Rubber compositions with increased reinforcing filler dispersion A polar surfactant, preferably organic, is disclosed to increase dispersion of reinforcing filler aggregates in rubber compositions. The surfactant acts on binders present in the reinforcing filler aggregates so that the surfactant associates with the water soluble ... | 03/30/2004 |
| 6706823 | Conductive gels A conductive polymer gel composition including a copolymer with alkenyl monomer units and maleimide monomer units, a crosslinking agent, and an electrolyte solution. The conductive polymer has a current resistance less than or equal to 10−4 ohms and can... | 03/16/2004 |
| 6520233 | Heavy-transport radial tire with belt cushion gum strip between tread belt and shoulder cushion A heavy-transport radial tire (1) having two annular shoulder cushions (14) made of elastomeric material with a relatively low M200% modulus, and each located at a respective shoulder (9) between a reinforced body ply (4) and a tread belt (10) defined by ... | 02/18/2003 |
