Patents by Inventor Shingo Futamura
Shingo Futamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20040048972Abstract: 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 consisting of 1Type: ApplicationFiled: May 5, 2003Publication date: March 11, 2004Inventors: Adel Farhan Halasa, Wein-Liang Hsu, Kenneth Allen Bates, Shingo Futamura
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Patent number: 6303821Abstract: The present invention relates to rubber compounds containing aromatic ketone polysulfides of the formula: wherein R is selected from the group consisting of alkyls having from 1 to 18 carbon atoms and x is an integer of from 2 to 8.Type: GrantFiled: November 11, 1999Date of Patent: October 16, 2001Assignee: The Goodyear Tire & Rubber CompanyInventors: Lawson Gibson Wideman, Shingo Futamura
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Patent number: 6277926Abstract: The present invention relates to rubber compounds containing aromatic ketone polysulfides of the formula: wherein R is selected from the group consisting of alkyls having from 1 to 18 carbon atoms and x is an integer of from 2 to 8.Type: GrantFiled: November 11, 1999Date of Patent: August 21, 2001Assignee: The Goodyear Tire & Rubber CompanyInventors: Lawson Gibson Wideman, Shingo Futamura
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Patent number: 6271317Abstract: Tire rubbers which are prepared by anionic polymerization are frequently coupled with a suitable coupling agent, such as a tin halide, to improve desired properties. It has been unexpectedly found that greatly improved properties for tire rubbers, such as lower hysteresis, can be attained by asymmetrically coupling the rubber.Type: GrantFiled: November 15, 1999Date of Patent: August 7, 2001Assignee: The Goodyear Tire & Rubber CompanyInventors: Adel Farhan Halasa, Shingo Futamura, Wen-Liang Hsu, Barry Allen Matrana
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Patent number: 6242523Abstract: This invention relates to a rubber composition composed of high Tg diene-based elastomers and which contains a high Tg liquid polymer of high vinyl polybutadiene and to such a composition being sulfur cured. The invention also relates to a tire having a tread of such rubber composition.Type: GrantFiled: March 8, 1999Date of Patent: June 5, 2001Assignee: The Goodyear Tire & Rubber CompanyInventors: Edward John Blok, Mark Leslie Kralevich, Jr., Paul Harry Sandstrom, Shingo Futamura
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Patent number: 6077912Abstract: A method is disclosed for processing a rubber composition comprising thermomechanically mixing at a rubber temperature in a range of 140.degree. C. to 190.degree. C. for a mixing time of 1 to 20 minutes(i) 100 parts by weight of at least one sulfur vulcanizable elastomer selected from conjugated diene homopolymers and copolymers, natural rubber and copolymers of at least one conjugated diene and aromatic vinyl compound;(ii) 10 to 250 phr of particulate precipitated silica;(iii) 0.01 to 1.0 parts by weight per weight of said silica of an organosilicon compound; and(iv) 0.05 to 10 phr of sodium thiosulfate pentahydrate.Addition of the sodium thiosulfate pentahydrate to sulfur vulcanizable rubber, silica and sulfur containing organosilicon compound decreases the mixing/processing time without sacrificing end product properties.Type: GrantFiled: December 4, 1997Date of Patent: June 20, 2000Assignee: The Goodyear Tire & Rubber CompanyInventors: Richard Michael D'Sidocky, David John Zanzig, Shingo Futamura
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Patent number: 6075096Abstract: The present invention relates to rubber compounds containing aromatic ketone polysulfides of the formula: ##STR1## wherein R is selected from the group consisting of alkyls having from 1 to 18 carbon atoms and x is an integer of from 2 to 8.Type: GrantFiled: February 27, 1998Date of Patent: June 13, 2000Assignee: The Goodyear Tire & Rubber CompanyInventors: Lawson Gibson Wideman, Shingo Futamura
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Patent number: 6043321Abstract: Tire rubbers which are prepared by anionic polymerization are frequently coupled with a suitable coupling agent, such as a tin halide, to improve desired properties. It has been unexpectedly found that greatly improved properties for tire rubbers, such as lower hysteresis, can be attained by asymmetrically coupling the rubber.Type: GrantFiled: January 19, 1998Date of Patent: March 28, 2000Assignee: The Goodyear Tire & Rubber CompanyInventors: Adel Farhan Halasa, Shingo Futamura, Wen-Liang Hsu, Barry Allen Matrana
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Patent number: 5955531Abstract: An improved pneumatic tire having decreased rolling resistance employing at least one tire component selected from the group consisting of subtreads, black sidewall, body ply skims and bead fillers, prepared from a vulcanizable elastomeric composition having reduced hysteresis comprises from about 10 to 100 parts by weight of an elastomer comprising a plurality of polymer molecules, wherein substantially each polymer molecule contains at least one functional group at the site of initiation, and having a hysteresis reduction of at least about 10 percent compared to the same elastomer without a functional group on substantially each polymer molecule; from about 0 to 90 parts by weight of an elastomer having greater hysteresis than the elastomer having reduced hysteresis and selected from the group consisting of natural rubber, synthetic rubber and blends thereof; and, from about 20 to about 100 parts by weight of carbon black, per 100 parts of the elastomer.Type: GrantFiled: September 13, 1993Date of Patent: September 21, 1999Assignee: Bridgestone CorporationInventor: Shingo Futamura
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Patent number: 5914364Abstract: The present invention relates to a silica reinforced rubber composition and to pneumatic tires having treads comprised of the silica reinforced rubber compositions.The silica reinforced rubber composition comprises at least one elastomer, silica, a silica coupler, a hydrophobating agent and, optionally, carbon black.Type: GrantFiled: March 10, 1997Date of Patent: June 22, 1999Assignee: The Goodyear Tire & Rubber CompanyInventors: Martin Paul Cohen, Cheryl Ann Losey, Raymond Benjamin Roennau, Shingo Futamura, Thierry Florent Edme Materne, James Oral Hunt, Ghislain Adolphe Leon Thise
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Patent number: 5840137Abstract: A composite tread structure (22) comprises a low modulus at -20.degree. C. rubber outer layer (23) and a high modulus at -20.degree. C. rubber inner layer (24), thicker than the outer layer. The outer layer is preferably made from a rubber having a glass transition temperature lower than the glass transition temperature of the rubber comprising the inner layer. Such a tire generally improves snow and ice handling and maintains good wet and dry traction. A pneumatic tire (10) having improved snow and ice traction employs a composite tread (22) comprising a low modulus at -20.degree. C. rubber outer layer component (23) and a high modulus at -20.degree. C. rubber inner layer rubber component (24), thicker than the outer layer component. Finally, a method for improving the snow and ice traction of pneumatic tires comprises the step of applying to the tire carcass prior to curing, a composite tread comprising a low modulus at -20.degree. C. rubber outer layer component and a high modulus at -20.degree. C.Type: GrantFiled: April 28, 1995Date of Patent: November 24, 1998Assignee: Bridgestone CorporationInventor: Shingo Futamura
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Patent number: 5777012Abstract: The present invention relates polysulfides of N-methylpyrrolidinone and to rubber compositions containing such polysulfides. Addition of the polysulfides to rubber improves the hysteresis, accelerates the cure rate and improves filler dispersion.Type: GrantFiled: July 30, 1997Date of Patent: July 7, 1998Assignee: The Goodyear Tire & Rubber CompanyInventors: Lawson Gibson Wideman, Shingo Futamura
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Patent number: 5728778Abstract: A method is disclosed for processing a rubber composition comprising thermomechanically mixing at a rubber temperature in a range of 140.degree. C. to 190.degree. C. for a mixing time of 1 to 20 minutes(i) 100 parts by weight of at least one sulfur vulcanizable elastomer selected from conjugated diene homopolymers and copolymers, natural rubber and copolymers of at least one conjugated diene and aromatic vinyl compound;(ii) 10 to 250 phr of particulate precipitated silica;(iii) 0.01 to 1.0 parts by weight per weight of said silica of an organosilicon compound; and(iv) 0.05 to 10 phr of sodium thiosulfate pentahydrate.Addition of the sodium thiosulfate pentahydrate to sulfur vulcanizable rubber, silica and sulfur containing organosilicon compound decreases the mixing/processing time without sacrificing end product properties.Type: GrantFiled: October 22, 1996Date of Patent: March 17, 1998Assignee: The Goodyear Tire & Rubber CompanyInventors: Richard Michael D'Sidocky, David John Zanzig, Shingo Futamura
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Patent number: 5616655Abstract: A method is disclosed for processing a rubber composition comprising thermomechanically mixing at a rubber temperature in a range of 140.degree. C. to 190.degree. C. for a mixing time of 1 to 20 minutes(i) 100 parts by weight of at least one sulfur vulcanizable elastomer selected from conjugated diene homopolymers and copolymers, natural rubber and copolymers of at least one conjugated diene and aromatic vinyl compound;(ii) 10 to 250 phr of particulate precipitated silica;(iii) 0.01 to 1.0 parts by weight per weight of said silica of an organosilicon compound; and(iv) 0.05 to 10 phr of sodium thiosulfate pentahydrate.Addition of the sodium thiosulfate pentahydrate to sulfur vulcanizable rubber, silica and sulfur containing organosilicon compound decreases the mixing/processing time without sacrificing end product properties.Type: GrantFiled: September 11, 1995Date of Patent: April 1, 1997Assignee: The Goodyear Tire & Rubber CompanyInventors: Richard M. D'Sidocky, David J. Zanzig, Shingo Futamura
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Patent number: 5594052Abstract: A method is disclosed for increasing the rate of vulcanization of a sulfur rubber composition comprising heating a sulfur vulcanizable rubber composition to a temperature ranging from 100.degree. C. to 200.degree. C., said rubber composition, containing a sulfur vulcanizable rubber, a sulfenamide compound and a hydrated thiosulfate. Addition of the hydrated thiosulfate to a sulfur vulcanizable rubber and a sulfenamide compound significantly increases the rate of vulcanization of the rubber.Type: GrantFiled: September 11, 1995Date of Patent: January 14, 1997Assignee: The Goodyear Tire & Rubber CompanyInventors: Richard M. D'Sidocky, Shingo Futamura
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Patent number: 5248722Abstract: A composition utilizing terminally functionalized diene polymers or diene-vinyl substituted aromatic copolymers and oxidized carbon black particulates dispersed therein has been found to provide reduced hysteresis properties and is particularly suited for use as rubber having reduced rolling resistance or hysteresis.The polymers and copolymers are preferably terminally functionalized with a compound having a nitrogen which acts as a Lewis base when bonded to the polymer. The oxidized carbon black is characterized by a relatively high acid content, with the acid sites of the carbon black interacting with the Lewis base sites on the polymer terminals to increase the carbon-polymer affinity.Type: GrantFiled: June 2, 1992Date of Patent: September 28, 1993Assignee: Bridgestone CorporationInventors: Mario N. DeTrano, Shingo Futamura, Mark L. Stayer, Jr., William L. Hergenrother
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Patent number: 4973615Abstract: A bituminous composition comprising a blend of bitumen, a polyolefin and a thermoplastic elastomer containing at least two polymer blocks wherein one of said polymer blocks is a crystalline polymer block and one of said polymer blocks is an amorphous polymer block is provided.The bituminous compositions of the invention have excellent low temperature flexibility and high temperature creep resistance properties and are particularly useful as a roof coating or waterproofing material or a road paving material.Type: GrantFiled: February 7, 1990Date of Patent: November 27, 1990Assignee: Bridgestone/Firestone, Inc.Inventors: Shingo Futamura, James O. Tveekrem
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Patent number: 4925894Abstract: Elastomer compositions which are particularly adapted for forming tire treads having low rolling resistance and good wet and dry grip traction comprise an elastomer having a Tg of -60.degree. C. or higher and low viscosity aromatic oil. Especially useful aromatic oils are those having a Saybolt Universal viscosity at 100.degree. F. of from about 50 to about 2500 SUS.Type: GrantFiled: February 14, 1986Date of Patent: May 15, 1990Assignee: Bridgestone/Firestone, Inc.Inventor: Shingo Futamura
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Patent number: 4835199Abstract: A bituminous composition comprising a blend of bitumen and a thermoplastic elastomer containing at least two polymer blocks wherein one of said polymer blocks is a crystalline polymer block and one of said polymer blocks is an amorphous polymer block, is provided.The bituminous composition has particular application as a roof coating or waterproofing material or road paving material.Type: GrantFiled: April 10, 1987Date of Patent: May 30, 1989Assignee: The Firestone Tire & Rubber CompanyInventors: Shingo Futamura, Georg G. A. Bohm
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Patent number: 4778852Abstract: A roofing composition comprising a blend of a thermoplastic elastomer containing at least two polymer blocks wherein one of said polymer blocks is a crystalline polymer block and one of said polymer blocks is an amorphous polymer block, and a vulcanizable elastomer selected from the group consisting of EPDM, butyl, neutralized sulfonated EPDM, neutralized sulfonated butyl and mixtures thereof. The roofing compositions have particular application as roofing membranes (i.e. roof sheeting) or roof flashing materials.Type: GrantFiled: April 6, 1987Date of Patent: October 18, 1988Assignee: The Firestone Tire & Rubber CompanyInventor: Shingo Futamura