Patents by Inventor Masayuki Ikeno

Masayuki Ikeno 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).

  • Patent number: 7699337
    Abstract: Provided is a liquid silicone rubber coating agent composition, including: (A) an organopolysiloxane containing at least one alkenyl group bonded to a silicon atom within each molecule, (B) a straight-chain organohydrogenpolysiloxane containing a single silicon atom-bonded hydrogen atom only at each molecular chain terminal, with a viscosity at 25° C. within a range from 0.001 to 1.0 Pa·s, (C) an organohydrogenpolysiloxane containing at least three silicon atom-bonded hydrogen atoms within each molecule, with a viscosity at 25° C. within a range from 0.001 to 10 Pa·s, (D) an addition reaction catalyst, (E) a finely powdered silica with a BET specific surface area of at least 50 m2/g, and (F) an adhesion imparting agent. Also provided is a curtain air bag with a rubber coating layer formed by curing this composition.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: April 20, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki Ikeno, Hidenori Mizushima
  • Patent number: 7662479
    Abstract: A liquid silicone rubber coating composition that is ideal for forming a coating on an air bag is provided. The composition includes: (A) an organopolysiloxane containing two or more alkenyl groups bonded to silicon atoms within each molecule, (B) an organohydrogenpolysiloxane containing at least two silicon atom-bonded hydrogen atoms within each molecule, (C) an addition reaction catalyst, (D) a finely powdered silica with a specific surface area of at least 50 m2/g, (E) an organosilicon compound containing an epoxy group and a silicon atom-bonded alkoxy group within each molecule, and (F) a compound represented by a general formula: Al(OH)(OCOR)2 (wherein, R represents identical or different, unsubstituted or substituted monovalent hydrocarbon groups of 1 to 20 carbon atoms). Leakage of the inflator gas when the air bag is in an inflated state is suppressed, enabling production of an air bag that exhibits excellent sustainability of the inflation period.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: February 16, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki Ikeno, Tsutomu Nakamura, Hidenori Mizushima, Shigeru Ubukata, Daichi Todoroki, Takashi Tanaka
  • Patent number: 7659004
    Abstract: Provided is a liquid silicone rubber coating composition, including predetermined quantities of (A) an organopolysiloxane containing 2 or more Si atom-bonded alkenyl groups, (B) an organohydrogenpolysiloxane containing 2 or more SiH groups, (C) an addition reaction catalyst, (D) a finely powdered silica with a specific surface area of at least 50 m2/g, (E) an organosilicon compound containing an epoxy group and a Si atom-bonded alkoxy group, and (F) an oxyzirconium compound. The composition is useful for producing a silicone rubber coating layer on the substrate surface of a curtain air bag. The air bag suppresses leakage of the inflator gas, thus enabling the inflation time to be sustained for a satisfactory period.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: February 9, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki Ikeno, Tsutomu Nakamura, Hidenori Mizushima, Shigeru Ubukata, Daichi Todoroki, Takashi Tanaka
  • Publication number: 20100004410
    Abstract: A hydrosilylation inhibitor comprising a reaction product of (1) a titanium compound having an alkoxy group in its ligand, and (2) an organosilicon compound having at least one hydrogen atom bonded to silicon atom per molecule is provided. This hydrosilylation inhibitor exhibits inhibitory activity for catalytic activity of a PGE (platinum group element)-bearing hydrosilylation catalyst in an oxygen atmosphere of up to 100 ppm and/or a moisture atmosphere of up to 100 ppm. By using the present invention, catalytic function of the hydrosilylation catalyst is reliably inhibited in the absence of oxygen and moisture while the same catalytic function is easily provided in the presence of the oxygen or the moisture.
    Type: Application
    Filed: August 17, 2009
    Publication date: January 7, 2010
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shinji Kimura, Hiroyasu Hara, Masayuki Ikeno
  • Patent number: 7641980
    Abstract: A liquid silicone rubber coating composition comprising (A) an organopolysiloxane containing silicon-bonded alkenyl radicals, (B) an organohydrogenpolysiloxane containing SiH radicals, (C) an addition reaction catalyst, (D) finely divided silica, (E) an organosilicon compound containing epoxy and alkoxy radicals, (F) an organic titanium, zirconium or aluminum compound, and (G) a silanol-containing silane or siloxane compound is coated on a surface of an airbag base fabric and cured to form a rubber coating layer thereon. The composition is suited for curtain airbags.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: January 5, 2010
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki Ikeno, Tsutomu Nakamura, Hidenori Mizushima, Shigeru Ubukata, Daichi Todoroki, Takashi Tanaka
  • Patent number: 7608657
    Abstract: Provided is a liquid silicone rubber coating agent composition, including: (A) an organopolysiloxane containing at least two silicon atom-bonded alkenyl groups within each molecule, (B) an organohydrogenpolysiloxane containing at least two silicon atom-bonded hydrogen atoms within each molecule, (C) an addition reaction catalyst, (D) a gelled silica with a BET specific surface area within a range from 260 to 500 m2/g and an average particle size within a range from 0.5 to 20 ?m, and (E) an adhesion improver. Also provided is an air bag with a rubber coating layer including a cured product of the above composition. The liquid silicone rubber coating agent composition yields a cured product with excellent properties of adhesion to fiber, rubber strength, and blocking resistance.
    Type: Grant
    Filed: January 17, 2006
    Date of Patent: October 27, 2009
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hidenori Mizushima, Masayuki Ikeno
  • Patent number: 7534499
    Abstract: A liquid silicone rubber coating composition comprising (A) an organopolysiloxane containing at least two silicon-bonded alkenyl radicals, (B) an organohydrogenpolysiloxane containing at least two SiH radicals, (C) an addition reaction catalyst, optionally (D) finely divided silica, (E) triallyl isocyanurate, (F) an organosilicon compound containing an epoxy radical and a silicon-bonded alkoxy radical, and (G) a titanium or zirconium compound is coated on a surface of an airbag base fabric and cured to form a rubber coating layer thereon. The composition is suited for curtain airbags.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: May 19, 2009
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki Ikeno, Hidenori Mizushima, Shigeru Ubukata, Mitsuhiro Iwata
  • Publication number: 20090082527
    Abstract: In an addition curable silicone rubber composition, an organohydrogenpolysiloxane containing at least two SiH groups in a molecule, synthesized through cohydrolytic condensation reaction of an SiH-containing organoalkoxysilane and an SiH-free organoalkoxysilane, is included as a crosslinker. An SiH-functional low-molecular-weight siloxane fraction is substantially absent in the cured composition.
    Type: Application
    Filed: August 1, 2008
    Publication date: March 26, 2009
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Masayuki Ikeno, Noriyuki Meguriya, Shinichi Ide
  • Publication number: 20090033076
    Abstract: A liquid silicone rubber coating composition that is ideal for forming a coating on an air bag is provided. The composition includes: (A) an organopolysiloxane containing two or more alkenyl groups bonded to silicon atoms within each molecule, (B) an organohydrogenpolysiloxane containing at least two silicon atom-bonded hydrogen atoms within each molecule, (C) an addition reaction catalyst, (D) a finely powdered silica with a specific surface area of at least 50 m2/g, (E) an organosilicon compound containing an epoxy group and a silicon atom-bonded alkoxy group within each molecule, and (F) a compound represented by a general formula: Al(OH)(OCOR)2 (wherein, R represents identical or different, unsubstituted or substituted monovalent hydrocarbon groups of 1 to 20 carbon atoms). Leakage of the inflator gas when the air bag is in an inflated state is suppressed, enabling production of an air bag that exhibits excellent sustainability of the inflation period.
    Type: Application
    Filed: July 29, 2008
    Publication date: February 5, 2009
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki IKENO, Tsutomu NAKAMURA, Hidenori MIZUSHIMA, Shigeru UBUKATA, Daichi TODOROKI, Takashi TANAKA
  • Publication number: 20090001690
    Abstract: A liquid silicone rubber coating composition comprising (A) an organopolysiloxane containing silicon-bonded alkenyl radicals, (B) an organohydrogenpolysiloxane containing SiH radicals, (C) an addition reaction catalyst, (D) finely divided silica, (E) an organosilicon compound containing epoxy and alkoxy radicals, (F) an organic titanium, zirconium or aluminum compound, and (G) a silanol-containing silane or siloxane compound is coated on a surface of an airbag base fabric and cured to form a rubber coating layer thereon. The composition is suited for curtain airbags.
    Type: Application
    Filed: June 5, 2008
    Publication date: January 1, 2009
    Inventors: Masayuki Ikeno, Tsutomu Nakamura, Hidenori Mizushima, Shigeru Ubukata, Daichi Todoroki, Takashi Tanaka
  • Patent number: 7468399
    Abstract: An anti-fouling or fouling release condensation curing organopolysiloxane composition is provided comprising (A) a diorganopolysiloxane having at least two silicon atom-bonded hydroxyl and/or hydrolyzable groups in a molecule, (B) a silane having at least two hydrolyzable groups in a molecule and/or a partial hydrolytic condensate thereof, and (C) an ionic liquid, typically a fused salt. The composition cures to an underwater structure to form a coating which is non-toxic, non-detrimental to the environment, and effective for preventing aquatic organisms from depositing and growing thereon over a long term.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: December 23, 2008
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takafumi Sakamoto, Masayuki Ikeno
  • Patent number: 7452955
    Abstract: In a one part organopolysiloxane gel composition comprising an alkenyl-containing branched organopolysiloxane, an SiH-termined organohydrogenpolysiloxane, and an addition reaction catalyst, the catalyst is obtained by heat aging a mixing of a platinum complex having an alkenyl-containing silane or organosiloxane as a ligand, a phosphite, and an organohydrogenpolysiloxane at 30-120° C. and an organic peroxide is concomitantly used. The composition inhibits addition reaction at room temperature, maintains storage stability over a long period, yet can cure rapidly at moderate temperature.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: November 18, 2008
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Miyuki Tanaka, Kazuyasu Sato, Masayuki Ikeno
  • Publication number: 20080227938
    Abstract: A hydrosilylation inhibitor comprising a reaction product of (1) a titanium compound having an alkoxy group in its ligand, and (2) an organosilicon compound having at least one hydrogen atom bonded to silicon atom per molecule is provided. This hydrosilylation inhibitor exhibits inhibitory activity for catalytic activity of a PGE (platinum group element)-bearing hydrosilylation catalyst in an oxygen atmosphere of up to 100 ppm and/or a moisture atmosphere of up to 100 ppm. By using the present invention, catalytic function of the hydrosilylation catalyst is reliably inhibited in the absence of oxygen and moisture while the same catalytic function is easily provided in the presence of the oxygen or the moisture.
    Type: Application
    Filed: March 10, 2008
    Publication date: September 18, 2008
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Shinji KIMURA, Hiroyasu Hara, Masayuki Ikeno
  • Publication number: 20080220675
    Abstract: Provided is a liquid silicone rubber coating composition, including predetermined quantities of (A) an organopolysiloxane containing 2 or more Si atom-bonded alkenyl groups, (B) an organohydrogenpolysiloxane containing 2 or more SiH groups, (C) an addition reaction catalyst, (D) a finely powdered silica with a specific surface area of at least 50 m2/g, (E) an organosilicon compound containing an epoxy group and a Si atom-bonded alkoxy group, and (F) an oxyzirconium compound. The composition is useful for producing a silicone rubber coating layer on the substrate surface of a curtain air bag. The air bag suppresses leakage of the inflator gas, thus enabling the inflation time to be sustained for a satisfactory period.
    Type: Application
    Filed: March 7, 2008
    Publication date: September 11, 2008
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki IKENO, Tsutomu Nakamura, Hidenori Mizushima, Shigeru Ubukata, Daichi Todoroki, Takashi Tanaka
  • Patent number: 7307122
    Abstract: A silicone rubber coating composition which cures into a silicone rubber having a tear strength of 25-50 kN/m and a peeling bond strength of 30-60 N/cm is suited for coating of hollow weave type air bags. A hollow weave type air bag coated with the coating composition can be instantaneously inflated while the bag prevents the silicone rubber film from being peeled from the base fabric, eliminates inflating gas leakage, and retains an acceptable inflation time.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: December 11, 2007
    Assignee: Shin-Estu Chemical Co., Ltd.
    Inventors: Masayuki Ikeno, Atsushi Yaginuma, Syuichi Azechi, Takeshi Miyao
  • Publication number: 20070281097
    Abstract: A curable silicone gel composition that can be applied and cured in locations where solder flux exists, the composition comprising: (A) a diorganovinylsiloxy-terminated organopolysiloxane, (B) a non-functional organopolysiloxane, (C) an organohydrogenpolysiloxane containing an average of 3 or more hydrogen atoms bonded to silicon atoms within each molecule, and (D) a hydrosilylation reaction catalyst. A method of improving the solder flux resistance of a silicone gel, and a method of forming a silicone gel with excellent solder flux resistance, both methods using the above composition.
    Type: Application
    Filed: May 1, 2007
    Publication date: December 6, 2007
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki IKENO, Miyuki Tanaka, Kazuyasu Sato
  • Publication number: 20070281564
    Abstract: Provided is a liquid silicone rubber coating composition, including predetermined quantities of (A) an organopolysiloxane containing 2 or more Si atom-bonded alkenyl groups, (B) an organohydrogenpolysiloxane of a specific structure containing 2 or more SiH groups, (C) an addition reaction catalyst, (D) a finely powdered silica with a specific surface area of at least 50 m2/g, (E) an organosilicon compound containing an epoxy group and a Si atom-bonded alkoxy group, and (F) a titanium compound and/or a zirconium compound. The coating composition exhibits excellent adhesion to an air bag base fabric and, therefore, is useful for producing a curtain air bag having a silicone rubber coating layer including a cured product of such a composition on at least one surface of the base fabric.
    Type: Application
    Filed: June 5, 2007
    Publication date: December 6, 2007
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hidenori Mizushima, Masayuki Ikeno, Shigeru Ubukata, Takashi Tanaka
  • Patent number: 7271215
    Abstract: An addition reaction-curable liquid silicone rubber composition includes an organopolysiloxane containing at least one Si-bonded vinyl group only at each end of its backbone and having a viscosity of from 1 to 1,000 Pa·s at 25° C., an organopolysiloxane containing at least two Si-bonded vinyl groups only in side chains on its backbone and having a viscosity of from 0.1 to 100 Pa·s at 25° C., the amount of siloxane units bonded to the vinyl groups being from 2 to 20 mole % of its total siloxane units, finely divided silica having a specific surface area of at least 50 m2/g, hexamethyldisilazane, water, an organohydrogenpolysiloxane containing at least two Si-bonded hydrogen atoms per molecule, and a hydrosilation catalyst. Another addition reaction-curable liquid silicone rubber composition additionally includes a specific non-functional dimethylpolysiloxane.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: September 18, 2007
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki Ikeno, Shigeki Shudo, Naoki Yamakawa, Yujiro Taira
  • Publication number: 20070166555
    Abstract: A liquid silicone rubber coating composition comprising (A) an organopolysiloxane containing at least two silicon-bonded alkenyl radicals, (B) an organohydrogenpolysiloxane containing at least two SiH radicals, (C) an addition reaction catalyst, optionally (D) finely divided silica, (E) triallyl isocyanurate, (F) an organosilicon compound containing an epoxy radical and a silicon-bonded alkoxy radical, and (G) a titanium or zirconium compound is coated on a surface of an airbag base fabric and cured to form a rubber coating layer thereon. The composition is suited for curtain airbags.
    Type: Application
    Filed: December 29, 2006
    Publication date: July 19, 2007
    Applicant: Shin -Etsu Chemical Co., Ltd.
    Inventors: Masayuki IKENO, Hidenori Mizushima, Shigeru Ubukata, Mitsuhiro Iwata
  • Publication number: 20060177673
    Abstract: Provided is a liquid silicone rubber coating agent composition, including: (A) an organopolysiloxane containing at least one alkenyl group bonded to a silicon atom within each molecule, (B) a straight-chain organohydrogenpolysiloxane containing a single silicon atom-bonded hydrogen atom only at each molecular chain terminal, with a viscosity at 25 ° C. within a range from 0.001 to 1.0 Pa·s, (C) an organohydrogenpolysiloxane containing at least three silicon atom-bonded hydrogen atoms within each molecule, with a viscosity at 25 ° C. within a range from 0.001 to 10 Pa·s, (D) an addition reaction catalyst, (E) a finely powdered silica with a BET specific surface area of at least 50 m2/g, and (F) an adhesion imparting agent. Also provided is a curtain air bag with a rubber coating layer formed by curing this composition.
    Type: Application
    Filed: February 3, 2006
    Publication date: August 10, 2006
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masayuki Ikeno, Hidenori Mizushima