Patents by Inventor Yoshihiro Soeda
Yoshihiro Soeda 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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Patent number: 7709575Abstract: A method for controlling a dispersion size of an elastomer in a thermoplastic elastomer composition having improved durability and impermeability obtained by melt-mixing (A) a halogenated isobutylene elastomer, (B) polyamide and (C) a dispersion aid, and dynamically vulcanizing the resultant blend to form the dynamically vulcanized polymer blend, wherein the halogenated isobutylene elastomer is dispersed in the polyamide matrix at a volume-average dispersion diameter of less than 2.0 ?m.Type: GrantFiled: March 6, 2003Date of Patent: May 4, 2010Assignees: The Yokohama Rubber Co., Ltd., ExxonMobil Chemical Patents Inc.Inventors: Andy Haishung Tsou, Yoshihiro Soeda, Yuichi Hara
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Publication number: 20100099821Abstract: A polyamide resin composition, having an excellent extensibility and flexing fatigue, composed of a polyamide resin (A), as a matrix, and a modifying polymer (C), dispersed therein, having a functional group (B) reactive with the polyamide resin (A), wherein a tensile stress at break of the modifying polymer (C) is 30 to 70% of the tensile stress at break of the polyamide resin (A), and a tensile elongation at break of the modifying polymer (C) is 100 to 500% of the tensile elongation at break of the polyamide resin (A) as well as a pneumatic tire and hose using the same.Type: ApplicationFiled: January 18, 2007Publication date: April 22, 2010Applicants: The Yokohama Rubber Co., Ltd., ExxonMobil Chemical Patents Inc.Inventors: Yoshihiro Soeda, Yuichi Hara, Naoyuki Morooka, Andy Haishung Tsou
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Publication number: 20100024941Abstract: An article having a fluid permeation prevention layer, such as a pneumatic tire or hose. A tire for example includes an outer tread layer, intermediate sidewall and carcass layers and an innermost air permeation prevention layer: (i) the air permeation prevention (APP) layer having an upper and a lower surface, the layer having a polymer composition exhibiting an air permeation coefficient (APC) of about 25×1O?12 cc cm/cm2 sec cmHg (at 30* C) or less and a Young's modulus of about 1 MPa to about 500 MPa, the polymer composition comprising: (A) at least 10 wt % of at least one. thermoplastic resin component having an APC of about 25×1O?12 cc cm/cm2 sec cmHg (at 30° C.) or less and a Young's modulus of more than 500 MPa, which is preferably a polyamide resin or mixture, and (B) at least 10 wt % of at least one elastomer component having an APC of more than about 25×10?12 cc cm/cm2 sec cmHg (at 30° C.Type: ApplicationFiled: October 26, 2006Publication date: February 4, 2010Inventors: Yuichi Hara, Shusaku Tomoi, Andy Haishung Tsou, Stephan Bertil, Yoshihiro Soeda
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Publication number: 20090218024Abstract: This disclosure relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer, wherein the first layer of the two layers comprises an fluid permeation prevention layer, the second layer of the two layers comprises at least one high diene rubber, and the tie layer comprises a mixture of: (1) about 50 to about 100 weight % of at least one halogenated isobutylene containing elastomer; (2) about 0 to about 50 weight % of at least one high diene elastomer; (3) about 20 to about 50 weight % of at least one filler; (4) about 0 to about 30 weight % of at least one processing oil; (5) about 1 to about 20 parts per hundred (phr) of at least one tackifier; and (6) at least about 0.Type: ApplicationFiled: September 29, 2006Publication date: September 3, 2009Applicant: ExxonMobil Chemcaill Patents,Inc.Inventors: Andy Haishung Tsou, Yoshihiro Soeda, Matthew Brian Measmer, Arthur Joseph Sullivan, Yoshiaki Kirino, James Peter Stokes
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Patent number: 7560514Abstract: A thermoplastic elastomer composition comprising a dynamically vulcanized blend of (A) a partially cured halogenated isobutylene elastomer and (B) a polyamide, wherein a tensile modulus at 100% elongation of the halogenated isobutylene elastomer dispersed in the polyamide matrix is less than 0.60 MPa.Type: GrantFiled: March 6, 2003Date of Patent: July 14, 2009Assignees: ExxonMobil Chemical Patents Inc., The Yokohama Rubber Co., Ltd.Inventors: Yoshihiro Soeda, Andy Haishung Tsou, Yoshiaki Hashimura, Hiroyuki Kaidou, Jerry Willie Ball
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Publication number: 20090151841Abstract: This invention relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer, wherein the first layer of the two layers comprises an fluid permeation prevention layer, the second layer of the two layers comprises at least one high diene rubber, and the tie layer comprises a mixture of: (1) about 50 to about 95 weight % of at least one halogenated isobutylenecontaining elastomer; (2) about 5 to about 50 weight % of at least one high diene elastomer; (3) about 20 to about 50 weight % of at least one filler; (4) about 0 to about 30 weight % of at least one processing oil; and (5) at least about 0.2 to about 15 parts per hundred of rubber (phr) of a curing system for the elastomers; wherein said fluid permeation prevention layer comprises a polymer composition having an air permeation coefficient of 25×10?12 cc·cm/cm2 sec cmHg (at 30° C.Type: ApplicationFiled: October 27, 2005Publication date: June 18, 2009Applicants: ExxonMobil Chemical Patents Inc., The Yokohama Rubber Co., Ltd.Inventors: Glenn E. Jones, Andy Haishung Tsou, Yoshiaki Hashimura, Yoshihiro Soeda
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Patent number: 7538158Abstract: A thermoplastic elastomer composition having improved mechanical properties and fatigue resistance comprising (A) a halogenated isobutylene elastomer, (B) polyamide and (C) an amine component selected from tertiary amines and secondary diamines, wherein the elastomers are dispersed as a domain in a continuous phase of the polyamide.Type: GrantFiled: March 6, 2003Date of Patent: May 26, 2009Assignees: ExxonMobil Chemical Patents Inc., The Yokohama Rubber Co., Ltd.Inventors: Andy Haishung Tsou, Yoshihiro Soeda, Hsien-Chang Wang, Matthew Brian Measmer
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Publication number: 20090131592Abstract: A laminate of a thermoplastic resin and rubber comprising a thermoplastic resin layer (A) made of a matrix of a polyamide resin matrix containing an elastomer dispersed therein and an unvulcanized diene-based rubber layer (B) containing a diene-based rubber and a low molecular weight diene-based rubber having an acid anhydride group and having a weight average molecular weight of 500 to 50,000 laminated partially or totally in at least one layer each to form a laminate integrated at the time of vulcanization and a pneumatic tire using the same.Type: ApplicationFiled: October 3, 2006Publication date: May 21, 2009Applicant: The Yokohama Rubber Co., Ltd.Inventors: Tomoyuki Sakai, Yoshiaki Kirino, Yoshihiro Soeda
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Publication number: 20090054599Abstract: A thermoplastic elastomer composition containing (i) a thermoplastic resin, (ii) an elastomer component discontinuously dispersed in the thermoplastic resin and (iii) a molecular chain extender, wherein the dispersed state of the particles of the elastomer component dispersed in the matrix of the thermoplastic elastomer composition is stabilized.Type: ApplicationFiled: May 2, 2006Publication date: February 26, 2009Applicant: The Yokohama Rubber Co., Ltd.Inventor: Yoshihiro Soeda
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Publication number: 20090038729Abstract: A laminate (C) of a thermoplastic polymer composition comprising: a thermoplastic resin composition (A) having an permeation coefficient of 10×10?12 cc·cm/cm2·sec·cmHg or less, laminated with a thermoplastic polymer composition (B) having a melt viscosity of 500-2000 Pa·s and a Young's modulus at a room temperature of 1-400 MPa, wherein the thickness of a layer of the thermoplastic resin composition (A) is 0.05-10 ?m and the air permeation coefficient of the laminate (C) of 20×10?12 cc·cm/cm2·sec·cmHg or less, and a pneumatic tire using the above laminate (C) as an inner liner.Type: ApplicationFiled: January 10, 2006Publication date: February 12, 2009Applicant: THE YOKOHAMA RUBBER CO., LTDInventors: Yoshihiro Soeda, Naoyuki Morooka, Yuichi Hara, Andy Haishung Tsou
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Publication number: 20080314491Abstract: This disclosure relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer. The first of the two layers comprises a fluid permeation prevention layer and the second comprises at least one high diene rubber. The tie layer comprises, a mixture, in parts by weight relative to 100 weight parts of rubber of: (1) 10 to 70 parts by weight of epoxidized natural rubber; (2) 30 to 90 parts by weight of at least one high diene elastomer; (3) 20 to 90 parts by weight of at least one filler; (4) 1 to 20 parts by weight of at least one tackifier, —and (5) at least 0.2 to 15 parts by weight of curing system for the elastomers and rubbers; The fluid permeation prevention layer comprises: (A) at least one thermoplastic engineering resin component; and (B) at least one elastomer component, wherein (B) is dispersed in a vulcanized or partially vulcanized state, as a discontinuous phase, in a matrix of component (A).Type: ApplicationFiled: October 26, 2006Publication date: December 25, 2008Applicants: THE YOKOHAMA RUBBER CO., LTD., EXXONMOBIL CHEMICAL PATENTS INC.Inventors: Yoshihiro Soeda, Yoshiaki Kirino, Tomoyuki Sakai, Andy Haishung Tsou
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Publication number: 20080314492Abstract: This disclosure relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer, wherein the first layer of the two layers comprises an fluid permeation prevention layer, the second layer of the two layers comprises at least one high diene rubber, and the tie layer comprises a mixture of: (1) about 50 to about 100 weight % of at least one halogenated isobutylene containing elastomer; (2) about 0 to about 50 weight % of at least one high diene elastomer; (3) about 20 to about 50 weight % of at least one filler; (4) about 0 to about 30 weight % of at least one processing oil; (5) about 1 to about 20 parts per hundred (phr) of at least one tackifier; and (6) at least about 0.Type: ApplicationFiled: October 26, 2006Publication date: December 25, 2008Applicants: ExxonMobil Chemical Patents Inc., The Yokohama Ruber Co., Ltd.Inventors: Andy Haishung Tsou, Yoshihiro Soeda, Matthew Brian Measmer, Arthur Joseph Sullivan, Yoshiaki Kirino, James Peter Stokes
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Publication number: 20080275187Abstract: A thermoplastic elastomer composition possessing superior air impermeability, excellent durability and flexibility. In particular, the composition includes (A) at least one halogenated isobutylene-containing elastomer; and (B) at least one nylon resin having a melting point of about 170° C. to about 260° C.; and (C) a low molecular weight polymeric nylon plasticizer; wherein: (1) the at least one elastomer is present as a dispersed phase of small vulcanized particles in a continuous nylon phase; and (2) the elastomer particles are formed by dynamic vulcanization. Use of a low molecular weight nylon plasticizer provides for improved mixing and rubber dispersion while retaining the high levels of impermeability achievable by the use of nylon resin and halogenated isobutylene-containing elastomer in a dynamically vulcanized composition. Such compositions are particularly useful in applications such as tire innerliners and barrier films or layers as well as hoses.Type: ApplicationFiled: October 27, 2005Publication date: November 6, 2008Applicants: EXXONMOBIL CHEMICAL PATENTS INC., THE YOKOHAMA RUBBER CO., LTD.Inventors: Andy Haishung Tsou, Yoshihiro Soeda, Yuichi Hara, Matthew Brian Measmer
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Publication number: 20080255310Abstract: A thermoplastic elastomer composition having excellent durability and flexibility while possessing superior air impermeability. In particular, a process for producing a thermoplastic elastomer composition having high rubber content by multistage addition of at least one vulcanizable rubber component, in which the time required to substantially cure the at least one rubber component preferably is less the mixer residence time. Such compositions are particularly useful in applications such as tire innerliners and barrier films or layers.Type: ApplicationFiled: October 27, 2005Publication date: October 16, 2008Applicants: EXXONMOBIL CHEMICLAL PATENTS INC., THE YOKOHAMA RUBBER CO., LTD.Inventors: Andy Haishung Tsou, Yoshihiro Soeda, Yuichi Hara, Matthew Brian Measmer
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Publication number: 20080058472Abstract: A thermoplastic elastomer composition having improved durability, heat resistant and flexibility comprising a dynamically vulcanized blend of (A) a halogenated isobutylene elastomer, (B) polyamide and (C) an antioxidant having a melating temperature more than 70° C. and less than 200° C., wherein the elastomer (A) is dispersed as a domain in a continuous phase of the polyamide (B) and the dynamically vulcanized blend of the components (A) and (B) is dynamically vulcanized in the presence of the antioxidant (C) as an anti-blocking agent.Type: ApplicationFiled: October 31, 2007Publication date: March 6, 2008Applicants: The Yokohama Rubber Co., Ltd., ExxonMobil Chemical Patents Inc.Inventors: Yoshihiro Soeda, Andy Tsou, Joyce Caraway
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Publication number: 20070060684Abstract: A thermoplastic elastomer composition having improved mechanical properties and fatigue resistance comprising (A) a halogenated isobutylene elastomer, (B) polyamide and (C) an amine component selected from tertiary amines and secondary diamines, wherein the elastomers are dispersed as a domain in a continuous phase of the polyamide.Type: ApplicationFiled: March 6, 2003Publication date: March 15, 2007Inventors: Andy Tsou, Yoshihiro Soeda, Hsien-chang Wang, Matthew Measmer
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Publication number: 20060252874Abstract: A thermoplastic elastomer composition having improved durability, heat resistant and flexibility comprising a dynamically vulcanized blend of (A) a halogenated isobutylene elastomer, (B) polyamide and (C) an antioxidant having a melting temperature more than 70° C. and less than 200° C., wherein the elastomer (A) is dispersed as a domain in a continuous phase of the polyamide (B) and the dynamically vulcanized blend of the components (A) and (B) is dynamically vulcanized in the presence of the antioxidant (C) as an anti-blocking agent.Type: ApplicationFiled: March 6, 2003Publication date: November 9, 2006Inventors: Yoshihiro Soeda, Andy Tsou, Joyce Caraway
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Publication number: 20060241244Abstract: An oriented thermoplastic elastomer film having reduced permeability and improved fatigue resistance comprising a dynamically vulcanized polymer blend of (A) a halogenated isobutylene elastomer and (B) polyamide, the film is produced by C casting or blowing the above polymer blend under the condition such that a shear rate at a die lip for casting or blowing is regulated to control the molecular arrangement in the film, whereby the planar birefringemence (PBR) of the resultant film becomes greater or equal to 0.002 and a production process of the same.Type: ApplicationFiled: March 6, 2003Publication date: October 26, 2006Inventors: Yoshihiro Soeda, Haishung Tsou, Foshee Caraway
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Publication number: 20060235153Abstract: A thermoplastic elastomer composition comprising a dynamically vulcanized blend of (A) a partially cured halogenated isobutylene elastomer and (B) a polyamide, wherein a tensile modulus at 100% elongation of the halogenated isobutylene elastomer dispersed in the polyamide matrix is less than 0.60 MPa.Type: ApplicationFiled: March 6, 2003Publication date: October 19, 2006Inventors: Yoshihiro Soeda, Andy Tsou, Yoshiaki Hashimura, Hiroyuki Kaidou, Jerry Ball
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Patent number: 6617383Abstract: A thermoplastic elastomer composition of a structure of a thermoplastic resin (A) in which a rubber composition (B) is dispersed, where the stress at the time of 2.5% elongation of the stress-strain curve of the thermoplastic elastomer composition is 0.1 to 50 MPa and the ratio of the stress (M200) at −20° C. and 200% elongation and the stress (M100) at −20° C. and 100% elongation is 1.0<M200/M100<2.0, particularly a thermoplastic elastomer composition structured with the polyamide resin of the thermoplastic resin (A) in which the rubber composition (B) is dispersed, includes a polyamide plasticizer (C1) and/or a thermoplastic elastomer (C2), the ratio of composition being (A) 15 to 59% by weight, (B) 40 to 70% by weight (C1+C2), and 1 to 30% by weight and a tire using the same.Type: GrantFiled: March 27, 2001Date of Patent: September 9, 2003Assignee: The Yokohama Rubber Co., Ltd.Inventors: Masahiro Ikawa, Kazuto Yamakawa, Yuichi Hara, Daisuke Kanenari, Katsuhiro Tanaka, Yoshihiro Soeda