Patents Assigned to Sumitomo Bakelite Co., Ltd.
  • Photosensitive compositions and applications thereof
    Patent number: 9696623
    Abstract: The present invention relates to photosensitive compositions containing polynorbornene (PNB) polymers and certain additives that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs and certain hindered phenols as additives which are capable of controlling the adhesiveness by radiation.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: July 4, 2017
    Assignees: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.
    Inventors: Brian Knapp, Cheryl Burns, Edmund Elce, Keitaro Seto, Hiromichi Sugiyama, Makoto Horii, Kazuyoshi Fujita
  • POLYMER, PHOTOSENSITIVE RESIN COMPOSITION, AND ELECTRONIC DEVICE
    Publication number: 20170174807
    Abstract: Provided is a polymer including a structural unit represented by the following Formula (1a); and a structural unit represented by the following Formula (1b). (In Formula (1a), n represents 0, 1, or 2. R1, R2, R3, and R4 each independently represent hydrogen or an organic group having 1 to 10 carbon atoms, at least one of R1, R2, R3, and R4 including an oxetane ring.
    Type: Application
    Filed: March 10, 2015
    Publication date: June 22, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Osamu ONISHI, Haruo IKEDA
  • Method of purifying/concentrating sugar chains with a sugar chain-trapping molecule and method of analyzing sugar chain structure
    Patent number: 9683006
    Abstract: The present invention provides substance which can specifically interact with sugar chains. Further, the present invention provides a method for separating, concentrating, or purifying sugar chains or a sugar chain-containing substance in a sample, comprising the steps of: a) contacting a sugar chain-trapping carrier comprising a substance which can specifically interact with sugar chains with the sample in a fluid phase under conditions that the sugar chain-trapping carrier can react with the sugar chains or sugar chain-containing substance; b) isolating a composite of the sugar chain-trapping carrier and the sugar chains or sugar chain-containing substance from the fluid phase; and c) exposing the composite to the conditions that the interaction between the sugar chain-trapping carrier and the sugar chains or sugar chain-containing substance is at least partially eliminated.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: June 20, 2017
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventors: Shinichiro Nishimura, Kenichi Niikura, Hiroaki Nakagawa, Minenobu Okayama
  • THERMALLY CONDUCTIVE SHEET AND SEMICONDUCTOR DEVICE
    Publication number: 20170162484
    Abstract: A thermally conductive sheet of the present invention includes a thermosetting resin (A), and an inorganic filler material (B) which is dispersed in the thermosetting resin (A). In the thermally conductive sheet according to the present invention, the volume resistivity of the cured product of the thermally conductive sheet, which is measured one minute later after an applied voltage of 1000 V is applied thereto on the basis of JIS K 6911 and at a temperature of 175° C., is greater than or equal to 1.0×108 ?·m.
    Type: Application
    Filed: January 28, 2015
    Publication date: June 8, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Shunsuke Mochizuki, Kazuya Kitagawa, Yoji Shirato, Keita Nagahashi, Mika Tsuda, Satoshi Maji, Motomi Kurokawa, Kazuya Hirasawa
  • MICRO PASSAGE CHIP AND METHOD FOR PRODUCING THE SAME
    Publication number: 20170144151
    Abstract: A micro flow channel chip having high shape accuracy is provided. A micro flow channel chip includes a base material 12 having a groove 121 formed on one surface; and a resin film 14 joined to the surface of the base material 12 so as to cover the groove 121 of the base material 12, in which the resin film 14 contains a (meth)acrylic resin (A), and the (meth)acrylic resin (A) contains a structural unit (A1) represented by Formula (1).
    Type: Application
    Filed: November 21, 2016
    Publication date: May 25, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventor: Hirohito Taniguchi
  • Liquid resol-type phenolic resin
    Patent number: 9657139
    Abstract: A liquid resol-type phenolic resin obtained by reacting a phenol (A), and a secondary and/or tertiary alkylamine compound (B) in the presence of a basic catalyst. The nitrogen content relative to the total weight of the liquid resol-type phenolic resin is preferably from 3 to 30% by weight. Further, the secondary and/or tertiary alkylamine compound (B) is preferably hexamethylenetetramine. Moreover, the molar ratio between the phenol (A) and the secondary and/or tertiary alkylamine compound (B) preferably satisfies (B)/(A)=0.13 to 0.35.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: May 23, 2017
    Assignee: SUMITOMO BAKELITE CO., LTD.
    Inventor: Yuji Suzuki
  • Polycyclo-olefinic block copolymers
    Patent number: 9610549
    Abstract: A series of vinyl addition block polymers derived from functionalized norbornene monomers are disclosed and claimed. Specifically, a series of diblock and triblock polymers derived from norbornene monomers are disclosed. Also disclosed are the method of preparation of such block polymers, and their use in the fabrication of membranes which exhibit unique separation properties.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: April 4, 2017
    Assignees: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.
    Inventors: Andrew Bell, Tamami Takigawa
  • POLYMER, PHOTOSENSITIVE RESIN COMPOSITION, AND ELECTRONIC DEVICE
    Publication number: 20170088672
    Abstract: Provided is a polymer including a structural unit represented by the following Formula (1a); and a structural unit represented by the following Formula (1b). (In Formula (1a), n represents 0, 1, or 2. R1, R2, R3, and R4 each independently represent hydrogen or an organic group having 1 to 10 carbon atoms, at least one of R1, R2, R3, and R4 representing an organic group including a carboxyl group, an epoxy ring, or an oxetane ring. In Formula (1b), R5 and R6 each independently represent an alkyl group having 1 to 10 carbon atoms.
    Type: Application
    Filed: March 10, 2015
    Publication date: March 30, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Osamu Onishi, Haruo Ikeda
  • PACKAGING BAG FOR CELL CULTURE VESSEL
    Publication number: 20170081624
    Abstract: A packaging bag for a cell culture vessel used for sealing a cell culture vessel, wherein when the packaging bag for a cell culture vessel sealing the cell culture vessel is accommodated in a closed space in which ordinary pressure is maintained, a temperature of 45° C. is maintained and the volume is 170 L, and the total amount of 70 mL of 6-mass % hydrogen peroxide aqueous solution is vaporized by applying ultrasonic vibration for 7 minutes in the closed space, and the hydrogen peroxide is decomposed by ultraviolet irradiation at a wavelength of 254 nm so that hydrogen peroxide concentration in the closed space becomes equal to or smaller than 1 mg/L within 90 minutes from the stop of the ultrasonic vibration, the amount of hydrogen peroxide adsorbed to the cell culture vessel is less than 3 ng/cm2.
    Type: Application
    Filed: September 14, 2016
    Publication date: March 23, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventor: Ryohei TSUKADA
  • Dicing film
    Patent number: 9570335
    Abstract: According to the invention, a dicing film, which generates a small amount of scrapes and beard-like burrs during dicing and furthermore has desirable strength and external appearance, is provided. The dicing film according to the invention has an adhesive layer on at least one surface of a base film, wherein the base film contains a copolymer (A) of at least two kinds of alkyl(meth)acrylates and styrene; and a styrene-based elastomer (B). The copolymer (A) of at least two kinds of alkyl(meth)acrylates and styrene is a styrene-alkyl methacrylate-alkyl acrylate copolymer.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: February 14, 2017
    Assignee: SUMITOMO BAKELITE CO., LTD.
    Inventors: Kazuhiko Maruyama, Masatoshi Isobe
  • Thermo-oxidatively stable, side chain polyether functionalized polynorbornenes for microelectronic and optoelectronic devices and assemblies thereof
    Patent number: 9562124
    Abstract: The present invention relates to polynorbornene (PNB) composition embodiments that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs having norbornene-type repeating units that are polyether functionalized and an additive package containing a phenolic antioxidant and a diaryl amine synergist, and the microelectronic and/or optoelectronic devices made therefrom are resistant to thermo-oxidative chain degradation of said polyether functionalization.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: February 7, 2017
    Assignees: PROMERUS, LLC, SUMITOMO BAKELITE CO., LTD.
    Inventors: Christopher Apanius, Andrew Bell, Cheryl Burns, Crystal Cyrus, Edmund Elce, Royce Groff, Sridevi Kaiti, Brian Knapp, Hendra Ng, Seishi Ohashi, Wei Zhang
  • COMPRESSOR, COMPRESSOR HOUSING, AND METHOD FOR MANUFACTURING COMPRESSOR HOUSING
    Publication number: 20170030343
    Abstract: A housing (10) of a compressor (1) according to the present embodiment includes at least one compression chamber (101) that compresses a gas aspirated into the inside thereof and is composed of a metal-resin composite (16) in which a resin member (14) composed of a thermosetting resin composition and a metal member (12) are bonded to each other.
    Type: Application
    Filed: April 1, 2015
    Publication date: February 2, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Shu Okasaka, Shinya Yamamoto
  • Optical waveguide having hollow section and electronic device including optical waveguide
    Patent number: 9557481
    Abstract: A optical waveguide comprising a core layer having a core portion; a first clad layer formed on one surface of the core layer; a second clad layer formed on another surface of the core layer; and a hollow section penetrating through the second clad layer and the core layer, and extending to a middle portion of the first clad layer, wherein a part of an inner wall surface at the hollow section is configured as an inclined plane which is inclined relative to and intersects with a plane including an interfacial plane between the core layer and the first clad layer, and a minimum radius of curvature at a connection between the inclined plane and other parts of the inner wall surface continuously extending from the inclined plane is 1 to 500 ?m as measured at the plane including the interfacial plane.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: January 31, 2017
    Assignee: SUMITOMO BAKELITE CO., LTD.
    Inventor: Sho Kubota
  • METHOD FOR PRODUCING MOLDED ARTICLE, MOLDED ARTICLE, BACK PLATE AND BRAKE PAD
    Publication number: 20170009031
    Abstract: A method for producing a molded article of the present invention includes a step of preparing a pellet raw material containing a resin and raw fibers, a step of cutting the pellet raw material to obtain a plurality of pellets each containing the resin and fibers produced by cutting the raw fibers, a step of opening the fibers contained in each pellet; and a step of molding the pellets after being opened to obtain the molded article. According to the present invention, it is possible to easily produce a molded article (e.g., a back plate of a brake pad) having excellent mechanical strength. Further, According to the present invention, it is also possible to provide a molded article and a back plate each having excellent mechanical strength, and a brake pad having high reliability.
    Type: Application
    Filed: January 22, 2015
    Publication date: January 12, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Hideaki INOKUCHI, Shinya YAMAMOTO, Koji KOIZUMI
  • THERMALLY CONDUCTIVE SHEET AND SEMICONDUCTOR DEVICE
    Publication number: 20170011986
    Abstract: A thermally conductive sheet of the present invention includes a thermosetting resin (A) and an inorganic filler material (B) that is dispersed in the thermosetting resin (A). In the thermally conductive sheet of the present invention, at a frequency of 1 kHz and at a temperature of 100° C. to 175° C., the maximum value of a dielectric loss factor of a cured product of the thermally conductive sheet is less than or equal to 0.030, and a change in relative dielectric constant of the cured product of the thermally conductive sheet is less than or equal to 0.10.
    Type: Application
    Filed: January 28, 2015
    Publication date: January 12, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Shunsuke Mochizuki, Kazuya Kitagawa, Yoji Shirato, Keita Nagahashi, Mika Tsuda, Satoshi Maji, Motomi Kurokawa, Kazuya Hirasawa
  • Polymer, photosensitive resin composition and electronic device
    Patent number: 9527943
    Abstract: There is provided a polymer including a structural unit represented by the following Formula (1a), a structural unit represented by the following Formula (1b) and a structural unit represented by the following Formula (1c) (In Formula (1a), n represents 0, 1 or 2. Each of R1, R2, R3 and R4 independently represents a hydrogen atom or an organic group having 1 to 10 carbon atoms. In Formula (1c), R5 represents an organic group having 1 to 10 carbon atoms.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: December 27, 2016
    Assignees: SUMITOMO BAKELITE CO., LTD., PROMERUS, LLC
    Inventors: Osamu Onishi, Haruo Ikeda, Larry F. Rhodes, Pramod Kandanarachchi, Hugh Burgoon
  • RESIN COMPOSITION FOR SEALING SEMICONDUCTOR AND SEMICONDUCTOR DEVICE
    Publication number: 20160372394
    Abstract: The resin composition for sealing semiconductor according to the present invention is characterized by containing a maleimide-based compound represented by the following general formula (1), at least one of the benzoxazine-based compounds represented by the following general formula (2-1) and the following general formula (2-2), a curing catalyst, and an inorganic filler. In the general formulae (1), (2-1) and (2-2), each of X2, X3 and X4 independently represents an alkylene group having 1 to 10 carbon atoms, a group represented by the following general formula (3), a group represented by the formula “—SO2—” or “—CO—”, an oxygen atom or a single bond.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 22, 2016
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Yui OZAKI, Katsushi YAMASHITA, Tomomasa KASHINO
  • COATING AGENT COMPOSITION AND UTILIZATION OF SAME
    Publication number: 20160369123
    Abstract: This coating agent composition is characterized by including: a copolymer (A) having a repeating unit derived from (a) an ethylenically unsaturated polymerizable monomer having one ethylenic double bond and an alkylene glycol residue; a repeating unit derived from (b) an ethylenically unsaturated polymerizable monomer having one ethylenic double bond and a functional group for immobilizing a physiologically active substance; and a repeating unit derived from (c) an ethylenically unsaturated polymerizable monomer having one ethylenic double bond and a functional group capable of crosslinking, and a copolymer (B) having a repeating unit derived from the monomer (a); and a repeating unit derived from the monomer (b), and having a reactive functional group at the terminal of at least one side of the copolymer, and is used for coating the surface of a solid-phase substrate.
    Type: Application
    Filed: March 20, 2015
    Publication date: December 22, 2016
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventors: Wataru TAKADA, Takayuki MATSUMOTO, Sohei FUNACKA
  • Surface layer material and melamine decorative laminate
    Patent number: 9511570
    Abstract: The present invention provides a surface layer material for a melamine decorative laminate having an aluminum layer, allowing 3R or less bending while maintaining the surface hardness of the melamine decorative laminate, and a melamine decorative laminate comprising the surface layer material. Disclosed is a surface layer material for a decorative laminate comprising a surface layer and an aluminum layer, the material comprising a surface layer substrate having a first surface being a design surface and a second surface being a surface on an opposite side of the design surface, wherein a melamine resin composition comprising a melamine resin is carried on the first surface, and a urethane-acrylic resin composition comprising a urethane-acrylic resin is carried on the second surface.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: December 6, 2016
    Assignee: SUMITOMO BAKELITE CO., LTD.
    Inventors: Hiroshige Nakagawa, Toshinori Kifuku
  • PHENOLIC RESIN COMPOSITION FOR FRICTION MATERIAL, FRICTION MATERIAL, AND BRAKE
    Publication number: 20160347949
    Abstract: A phenolic resin composition for friction materials includes a high-ortho novolac phenolic resin, a novolac resorcinol resin, and hexamethylenetetramine.
    Type: Application
    Filed: January 27, 2015
    Publication date: December 1, 2016
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventor: Naoyuki Harada