Patents Assigned to Chemical Corporation
  • Patent number: 10889025
    Abstract: Provided is a method for manufacturing a fiber-reinforced resin molding material having excellent productivity at low cost for manufacturing a fiber-reinforced resin molded article having excellent strength properties. Provided is a method for manufacturing a sheet-shaped fiber-reinforced resin molding material containing a plurality of cut fiber bundles and a resin impregnated between filaments of the cut fiber bundles, the method comprising an integrated material manufacturing step for obtaining an integrated material by collecting a sheet-shaped fiber bundle aggregate obtained by arranging and spreading a plurality of consecutive fiber bundles in a width direction.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: January 12, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tadao Samejima, Yukihiro Mizutori, Yasushi Watanabe, Junji Kanehagi, Masatoshi Kamata
  • Patent number: 10889707
    Abstract: Disclosed is a glass fiber composite material composition having further improved compatibility between glass fibers and polypropylene and thus maximized interfacial adhesion between the resin and the glass fibers in a glass fiber composite material. The present invention provides a glass fiber composite material composition comprising: (A) 60-93% by weight of polypropylene; (B) 1-30% by weight of glass fiber sized with a silane-based compound; and (C) 1-10% by weight of a polypropylene resin modified with maleic anhydride and a methacryloxysilane-based compound.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: January 12, 2021
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Ju Hee Park, Byung Kak Jang, Seung Ju Lee
  • Patent number: 10890687
    Abstract: A downhole drilling system has a downhole motor, a universal-joint assembly having an upper universal joint and a lower universal and a connecting rod connecting the upper universal joint and the lower universal joint, and a measurement sub. The measurement sub is disposed about the connecting rod and the connecting rod extends through the measurement sub in a longitudinal direction thereof.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: January 12, 2021
    Assignee: China Petroleum & Chemical Corporation
    Inventors: Sheng Zhan, Jinzhou Yang, Jinhai Zhao, Laiju Han, Weiping Xu, Hongbing Xiao, Herong Zheng, Zhen Yang
  • Patent number: 10889541
    Abstract: A method for producing N-vinylformamide through a vapor-phase thermal decomposition reaction using an evaporator (10) for evaporating a raw material, a thermal decomposition reactor (20) for thermally decomposing a raw material gas generated by the evaporator (10) and a condenser (30) for condensing a thermally decomposed gas generated by the thermal decomposition reactor (20), wherein the evaporation of the raw material is started in the evaporator (10) while the temperature of a tube wall of a first connection tube (40) that connects the evaporator (10) to the thermal decomposition reactor (20) satisfies a requirement represented by formula (1): (temperature of tube wall (° C.))?0.37×(pressure of evaporator (mmHg))+205.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: January 12, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Noritsugu Ooishi, Kouji Teramoto, Yasuharu Mori
  • Patent number: 10889919
    Abstract: One mode of the invention relates to a producing a device for chopped fiber bundles having a chopper unit including a cutting blade for cutting long fiber bundles, a guide for restricting the travel direction of the fiber bundles to be supplied to the cutting means, and a structure, provided between the chopper unit and the guide, that widens the fiber bundles. The invention also relates to method for producing chopped fiber bundles by widening fiber bundles while restricting the travel direction of the long fiber bundles to be supplied to chopper unit by a guide, and obtaining chopped fiber bundles by cutting the fiber bundles with the chopper unit.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: January 12, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tadao Samejima, Ryuichi Ishikawa, Hiroshi Iwata, Yukihiro Mizutori, Masatoshi Kamata, Yasushi Watanabe, Hajime Okutsu
  • Patent number: 10889074
    Abstract: The present invention relates to a method for manufacturing a fiber-reinforced composite material molding, having a step (A) for forming a plurality of partial preforms, each having a partial shape obtained by dividing the three-dimensional shape of a target fiber-reinforced composite material molding, by cutting a prepreg sheet containing reinforcing fibers and a matrix resin composition, and by preshaping the cut prepreg pieces; a step (B) for forming a preform having the three-dimensional shape of the target fiber-reinforced composite material molding by combining and integrating the plurality of partial preforms; and a step (C) for producing a fiber-reinforced composite material molding by compression-molding the preform, wherein the step (B) includes arranging a foamable material between the plurality of partial preforms when they are combined.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: January 12, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yoshihide Kakimoto, Kazuhisa Ikeda, Kouichi Akiyama, Mitsuru Kutsuwada
  • Patent number: 10889710
    Abstract: An object of the present invention is to provide a resin composition for reducing an acetic acid odor that is generated during melt molding of a polyvinyl alcohol (PVA)-based resin and may remain in a molded product. The resin composition of the present invention contains: a PVA-based resin (A); and a multimeric aldehyde compound (B), wherein a content of the multimeric aldehyde compound (B) is 0.5×10?4 to 100×10?4 parts by weight with respect to 100 parts by weight of the PVA-based resin (A).
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: January 12, 2021
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventor: Yuya Fukamachi
  • Publication number: 20210002223
    Abstract: A method for producing a compound represented by formula (4) [R1?-R5? represent hydrogen atoms, formula (2), or formula (5), and at least one of R1?-R5? is a group represented by formula (5) (Ar1—Ar3 are the same as below)], the method comprising carrying out deprotection after reacting an amine compound represented by formula (1) [R1-R5 each independently represent a hydrogen atom or a group represented by formula (2) (Ar1 and Ar2 represent aryl groups and Ar3 represents an arylene group, and any two of Ar1-Ar3 may bond to form a ring), and at least one of R1-R5 is a hydrogen atom] with a compound represented by formula (3) (X represents a halogen atom, etc., and R6-R8 represent an alkyl group, etc.) in the presence of a catalyst and a base, is a method for producing an aniline derivative suited to efficient industrial production that does not require a large excess of base and oxygen in the process of deprotection.
    Type: Application
    Filed: March 13, 2019
    Publication date: January 7, 2021
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventor: Seiya TERAI
  • Publication number: 20210003768
    Abstract: A transparent resin composition includes a transparent resin and a light diffusing agent which has an average particle diameter of 220 nm or more and 300 nm or less, in which a content proportion of the light diffusing agent is more than 4.0 mass ppm and less than 20 mass ppm with respect to the total mass of the transparent resin composition.
    Type: Application
    Filed: September 4, 2020
    Publication date: January 7, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Youhei SECHI, Tadayoshi SAWADA, Takashi OOKUBO
  • Publication number: 20210001517
    Abstract: What is provided is a molding device which enables a molded article to be excellently released, has a region that is on a molding surface and exhibits excellent abrasion resistance by being treated to show mold release properties, and can suppress the deterioration of mold release properties. Also provided is a method for manufacturing a fiber-reinforced composite material molded article. A fiber-reinforced composite material molding device (101) includes a molding die (130) for obtaining a fiber-reinforced composite material molded article by molding a fiber-reinforced composite material prepared by impregnating a reinforcing fiber base material with a resin composition, in which a surface free energy of a portion or the entirety of cavity surfaces (113a) and (123a) of the molding die (130) is equal to or lower than 25.0 mJ/m2 which is measured by a three liquid method.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 7, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Masahiro Ichino, Tsuneo Takano, Shirou Asada
  • Publication number: 20210002771
    Abstract: The present invention is drawn to a protective coating composition for a metallic substrate and a ceramic film coating layer formed thereon.
    Type: Application
    Filed: February 15, 2019
    Publication date: January 7, 2021
    Applicant: QUAKER CHEMICAL CORPORATION
    Inventors: Weijia JIN, Jim MURPHY, Amy BEARD
  • Publication number: 20210002227
    Abstract: The present invention is directed to new crystalline forms of Pitavastatin hemicalcium salt, referred to hereinafter as polymorphic Forms A, B, C, D, E and F, as well as the amorphous form. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and the amorphous form and pharmaceutical compositions comprising these crystalline forms or the amorphous forms.
    Type: Application
    Filed: September 23, 2020
    Publication date: January 7, 2021
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Paul Adriaan VAN DER SCHAAF, Fritz BLATTER, Martin SZELAGIEWICZ, Kai-Uwe SCHOENING
  • Publication number: 20210005343
    Abstract: The conductive film of the present invention includes a conductive polymer (A) and has a film thickness of 35 nm or less, wherein: a surface resistance of the conductive film is 1×1011 ?/sq. or less, and a standard deviation of current that flows through the conductive film upon application of voltage to the conductive film is 5 or less. The conductor of the present invention has a substrate, and the conductive film provided on at least a part of the surface of the substrate. The resist pattern forming method of the present invention includes a lamination step of forming the conductive film on a surface of a resist layer including a chemically amplified resist, said resist layer formed on one surface of a substrate, and an exposure step of irradiating the substrate with an electron beam according to a pattern on its side on which the conductive film is formed.
    Type: Application
    Filed: September 2, 2020
    Publication date: January 7, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Saki MAKIGAWA, Akira YAMAZAKI, Naoko YAMADA, Yoshiko IRIE, Shinji SAIKI, Masashi UZAWA
  • Publication number: 20210005819
    Abstract: Provided are: a highly durable polymer having a high hole-injection/transport capacity; and a composition for an organic electroluminescent element, which contains the polymer.
    Type: Application
    Filed: September 16, 2020
    Publication date: January 7, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yanjun LI, Tomokazu UMEMOTO, Hideki GOROHMARU, Koichiro IIDA, Kouji ADACHI
  • Publication number: 20210002436
    Abstract: A composite material molded article includes a molded product of a molding material containing a resin and fibers, in which a fiber orientation degree f of the following region A of the molded product is 0.10 or more and 1 or less. Region A: in a case where a distance between one point at each of edges of a surface of a first end portion of the molded product and edges of the other end portion is measured along a vertical direction perpendicular to lateral faces of the first end portion within a surface of the molded product, and points separated from the one point by a distance equivalent to 3.0% of the distance measured from the one point are connected with a line along the edges of the first end portion, a region surrounded with the line and the edges of the molded product is regarded as a region A.
    Type: Application
    Filed: September 22, 2020
    Publication date: January 7, 2021
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yasutaka SHINOURA, Takayuki KOBAYASHI, Takuya MIYAUCHI, Takeshi ISHIKAWA
  • Patent number: 10884348
    Abstract: The present invention aims to provide an electrophotographic photoreceptor which is excellent in abrasion resistance against practical load and excellent in initial electrical properties, preferably further excellent in adhesion between layers by containing a polyester resin excellent in abrasion resistance, which is an electrophotographic photoreceptor containing a photosensitive layer and a conductive support, the electrophotographic photoreceptor containing a polyester resin having a specific structure ? with a number average molecular weight of 15,000 or less and containing a divalent phenol residue and a divalent carboxylic acid residue.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: January 5, 2021
    Assignee: Mitsubishi Chemical Corporation
    Inventor: Atsushi Yoshizawa
  • Patent number: 10882968
    Abstract: The present disclosure provides a linear polypropylene foam with, for example, low density and/or high expansion ratio, said linear polypropylene foam comprising at least one polypropylene, at least one alpha nucleating agent, and at least one beta nucleating agent. The present disclosure also provides compositions and processes for making said linear polypropylene foam.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: January 5, 2021
    Assignee: LCY CHEMICAL CORPORATION
    Inventor: Chiang Hsiang Lin
  • Patent number: 10882976
    Abstract: The present disclosure relates to a resin composition for preparing polyolefin-based foamed articles having flame retardancy and flame retardant foamed articles formed therefrom. The resin composition according to the present disclosure can provide foamed articles having excellent flame retardancy and flame resistance while exhibiting a high fusion ratio and a low shrinkage ratio in the foam molding.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: January 5, 2021
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Yong Jin Kwon, Sung Hwan Lim, Se Yeon Eom
  • Patent number: 10882869
    Abstract: A condensed heterocyclic compound represented by the following formula or its salt or an N-oxide thereof: wherein G1 is C(Y1); G2 is C(Y2); G3 is C(Y3); G4 is C(Y4); A4 is a nitrogen atom or C(R4); A5 is a nitrogen atom or C(R5); and n is an integer of 0, 1 or 2.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: January 5, 2021
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Takao Kudo, Yukihiro Maizuru, Ayano Tanaka, Kenkichi Noto, Hiroto Matsui, Masaki Kobayashi
  • Publication number: 20200408760
    Abstract: The invention provides gastroenterological cancer determination methods that involve contacting a specimen, an antibody 1 that recognizes an ? chain of human haptoglobin, and an antibody 2 that recognizes a ? chain of human haptoglobin and does not recognize human haptoglobin in which an S—S bond is cleaved to form a complex 1, or contacting the specimen and two antibodies selected from the antibodies 2 that recognize a ? chain of human haptoglobin and do not recognize human haptoglobin in which an S—S bond is cleaved to form a complex 2. A determination is made based on the measurement of complex 1 or 2. Alternatively, the specimen and two antibodies selected from the antibodies 1 that recognize an ? chain of human haptoglobin are contacted to form a complex 3, and a determination is made by comparing the measurement results of complex 1 or 2 with complex 3.
    Type: Application
    Filed: May 25, 2017
    Publication date: December 31, 2020
    Applicants: FUJIFILM WAKO PURE CHEMICAL CORPORATION, OSAKA UNIVERSITY
    Inventors: Eiji MIYOSHI, Yoshihiro KAMADA, Shinji TAKAMATSU, Naoya KATAOKA, Kimihiro NISHINO, Kayoko KIDOWAKI, Ayumi AKINAGA, Tatsuo KUROSAWA