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公开(公告)号：US20240317978A1
公开(公告)日：2024-09-26
申请号：US18574520
申请日：2022-06-29
Applicant: OTSUKA CHEMICAL CO., LTD.
Inventor： Mifuyu UENO , Yuki OKABE , Shinya SHINOZAKI
IPC: C08L9/00 , B60C1/00 , C08K3/36 , C08K5/3432 , C08L7/00
CPC classification number: C08L9/00 , B60C1/0025 , C08K3/36 , C08K5/3432 , C08L7/00 , C08L2201/08
Abstract: An object of the present invention is to provide a rubber composition with excellent low heat build-up properties, the rubber composition comprising a filler and at least one compound selected from the group consisting of a diene rubber component, a compound represented by formula (1), and a compound represented by formula (2).
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2.发明公开公开(公告)号：US20240117150A1
公开(公告)日：2024-04-11
申请号：US18039925
申请日：2021-12-23
Applicant: OTSUKA CHEMICAL CO., LTD.
Inventor： Seiichi AOYAGI
IPC: C08K5/3445 , C08J9/06 , C08J9/10
CPC classification number: C08K5/3445 , C08J9/06 , C08J9/103 , C08J9/108 , C08J2207/00 , C08J2323/06
Abstract: An object of the present invention is to provide an expansion ratio improver for a polymer material that can impart an excellent expansion ratio to polymer materials. Another object of the present invention is to provide a resin composition for obtaining a foam having a high expansion ratio and fine (dense) cells. An expansion ratio improver for a polymer material, comprising at least one member selected from the group consisting of a pyrazolone-based compound and a salt of the compound. A resin composition comprising component (a): polyethylene, component (b): a chemical foaming agent, and component (c): a pyrazolone-based compound, the resin composition containing 0.1 parts by mass to 50 parts by mass of component (b) and 0.1 parts by mass to 50 parts by mass of component (c) based on 100 parts by mass of component (a).
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公开(公告)号：US11713294B2
公开(公告)日：2023-08-01
申请号：US17294866
申请日：2019-11-19
Applicant: OTSUKA CHEMICAL CO., LTD
Inventor： Minoru Yamamoto
IPC: C07C395/00 , C08F4/42 , C08F20/14
CPC classification number: C07C395/00 , C08F4/42 , C08F20/14
Abstract: Provided is a method for producing an organic tellurium compound that enables the production of an organic tellurium compound in high yield using metallic tellurium as a source material and produces less amount of side products. A method for producing an organic tellurium compound includes the steps of: (A) reacting metallic tellurium with a compound represented by a general formula (1) below; and (B) reacting a compound obtained by the step (A) with an organic halogen compound, the metallic tellurium having a copper content of less than 100 ppm,
M(R1)m Formula (1)
where R1 represents an alkyl group having 1 to 8 carbon atoms, an aryl group or an aromatic heterocyclic group, M represents an alkali metal or an alkaline earth metal, m represents 1 when M is an alkali metal, and m represents 2 when M is an alkaline earth metal.-
4.发明公开公开(公告)号：US20230204083A1
公开(公告)日：2023-06-29
申请号：US18019399
申请日：2021-07-07
Applicant: OTSUKA CHEMICAL CO., LTD.
Inventor： Emiko Daimon
CPC classification number: F16D69/026 , C01G23/005 , C01P2002/50 , C01P2004/20 , C01P2004/62 , C01P2004/61 , C01P2006/12 , F16D2200/0043 , F16D2065/1324
Abstract: Provided is a friction modifier giving excellent formability in producing a friction material and capable of reducing rust formation on a rotor even when the moisture-absorbed friction material is left pressed against the rotor for a long. The friction modifier is made of a titanate compound having a tunnel crystal structure, wherein the titanate compound has a rate of chlorine ion dissolution of 0.5 ppm to 400 ppm.
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公开(公告)号：US20210108048A1
公开(公告)日：2021-04-15
申请号：US16464508
申请日：2017-11-29
Applicant: BRIDGESTONE CORPORATION , OTSUKA CHEMICAL CO., LTD.
Inventor： Satoshi HAMATANI , Shinya SHINOZAKI , Mifuyu UENO , Masaki ABE
IPC: C08K5/30 , C08K3/04 , C07C243/38 , B60C1/00 , B60C11/00
Abstract: An additive for rubber that enables a rubber composition to have excellent low heat generating property and processability, a rubber composition containing the additive for rubber, and a tire using the same are provided. A rubber composition comprises a hydrazone compound represented by the following Formula (I): where R1 and R2 each independently represent a hydrogen atom, an alkyl group with a carbon number of 1 to 16, or an alkenyl group with a carbon number of 2 to 6, and A represents a group represented by the following Formula (A-1) or Formula (A-2):
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Patent Agency Ranking
公开(公告)号：US10941169B2
公开(公告)日：2021-03-09
申请号：US16878109
申请日：2020-05-19
Applicant: OTSUKA CHEMICAL CO., LTD.
Inventor： Hiroaki Yuasa , Hiroki Okazaki
IPC: C07F9/6571 , A61P19/00 , A61P29/00 , A61P35/00 , C07F9/6574 , A61K31/665
Abstract: An object of the present invention is to provide crystal of a cyclic phosphonic acid sodium salt (2ccPA) with high purity and excellent storage stability and a method for producing the crystal. The present invention provides a crystal of a cyclic phosphonic acid sodium salt (2ccPA) represented by formula (1):
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公开(公告)号：US20200331233A1
公开(公告)日：2020-10-22
申请号：US16756167
申请日：2018-11-26
Applicant: OTSUKA CHEMICAL CO., LTD.
Inventor： Hiroshi Yagi , Kousuke Inada
Abstract: Provided is a composite laminate having excellent releasability from a mold during a production process and having excellent surface appearance (surface smoothness) . A composite laminate 1 including an A layer 2 and a B layer 3, the A layer 2 being provided on one or both sides of the B layer 3, the A layer 2 containing inorganic fibers (a1) with an average fiber length of 1 μm to 300 μm and a thermoplastic resin (a2), the B layer 3 containing reinforcing fibers (b1) with an average fiber length of 1 mm or more and a thermoplastic resin (b2).
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公开(公告)号：US20200277317A1
公开(公告)日：2020-09-03
申请号：US16877915
申请日：2020-05-19
Applicant: OTSUKA CHEMICAL CO., LTD.
Inventor： Hiroaki YUASA , Hiroki OKAZAKI
IPC: C07F9/6571 , A61P19/00 , A61P29/00 , A61P35/00 , C07F9/6574
Abstract: An object t of the present invention is to provide crystal of a cyclic phosphonic acid sodium salt (2ccPA) with high purity and excellent storage stability and a method for producing the crystal. The present invention provides a crystal of a cyclic phosphonic acid sodium salt (2ccPA) represented by formula (1):
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公开(公告)号：US10665360B2
公开(公告)日：2020-05-26
申请号：US15535824
申请日：2015-12-03
Applicant: OTSUKA CHEMICAL CO., LTD.
Inventor： Hirotoshi Iuchi , Taiji Nakagawa
IPC: H01M10/0525 , C01B32/05 , C01G23/00 , H01B1/04 , H01B1/08 , H01G11/34 , H01G11/44 , H01G11/46 , H01G11/50 , H01G11/86 , H01M4/36 , H01M4/485 , H01M4/583 , H01G11/06 , H01M4/02
Abstract: Provided is a production method that enables the production of a composite body of lithium titanate particles and a carbonaceous material, the composite body having excellent electrical characteristics and so on, and the composite body of lithium titanate particles and a carbonaceous material. A method for producing a composite body of lithium titanate particles and a carbonaceous material includes the steps of: preparing a raw material mixture using a titanium compound, a lithium compound, and an oligomer and/or raw material monomer of an alkali-soluble resin; and subjecting the raw material mixture to heat treatment under a non-oxidizing atmosphere to produce the composite body.
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公开(公告)号：US10593488B2
公开(公告)日：2020-03-17
申请号：US15534234
申请日：2014-12-11
Applicant: OTSUKA CHEMICAL CO., LTD.
Inventor： Yoshihisa Tokumaru , Yoshihiro Okada , Taiji Nakagawa , Shoji Hiketa , Koichi Sorajo
IPC: H01G11/62 , H01G11/60 , C07C211/62 , C01B25/455 , C01D7/00 , C01D13/00 , C01G28/00 , C01G30/00
Abstract: The present invention provides a nonaqueous electrolytic solution that provides an electric double layer capacitor having excellent durability. The nonaqueous electrolytic solution of the present invention is a nonaqueous electrolytic solution for electric double layer capacitors prepared by dissolving a quaternary ammonium salt as an electrolyte in a nonaqueous solvent, and the nonaqueous electrolytic solution has an alkali metal cation concentration of 0.1 to 30 ppm.
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