Patents Assigned to Nihon Parkerizing Co., Ltd.
  • Patent number: 10854396
    Abstract: A packaging material for electrochemical cells, which has insulating properties sufficient for preventing a short circuit, while exhibiting excellent electrolyte solution resistance and water vapor barrier properties. A packaging material for electrochemical cells is obtained by sequentially laminating a metal layer, an adhesive resin layer and a thermally adhesive resin layer in this order, wherein: a base coating layer is provided between the metal layer and the adhesive resin layer; and the base coating layer contains at least a zirconium oxide (A) having an average particle diameter within the range of from 1 nm to 500 nm (inclusive), one or more phosphorus-containing compounds (B) selected from the group of phosphorus compounds having 4 or more phosphonic groups in each molecule, and an acid-modified polyolefin resin (C).
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: December 1, 2020
    Assignees: DAI NIPPON PRINTING CO., LTD., NIHON PARKERIZING CO., LTD.
    Inventors: Kazuhiko Yokota, Rikiya Yamashita, Yasuhiko Nagashima
  • Patent number: 10800933
    Abstract: A surface treatment solution for a plated steel sheet to be hot-pressed comprising a ZnO aqueous dispersion (A) and a water dispersible organic resin (B), wherein the ZnO aqueous dispersion (A) comprises water and ZnO particle size having 50 to 300 nm particles, the water dispersible organic resin (B) has a 5 to 45 mgKOH/g acid value and 5 to 300 nm emulsion particle size, and a mass ratio (WA/WB) of a mass of ZnO particles in the ZnO aqueous dispersion (WA) to a mass of solid content of the water dispersible organic resin (WB) is 30/70 to 95/5.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: October 13, 2020
    Assignee: NIHON PARKERIZING CO., LTD.
    Inventors: Soshi Fujita, Jun Maki, Shintaro Yamanaka, Masao Kurosaki, Tatsuya Suzuki, Kensuke Mizuno, Takumi Kozaki, Takahiro Kodama
  • Patent number: 10760029
    Abstract: Provided is a water-based lubricating coating agent for a metal material, capable of carrying out a chemical conversion treatment and a lubrication treatment at the same time, which makes it possible to achieve excellent lubricity even in plastic working, press molding, and the like, and at the same time, operability (e.g., process shortening, sludge reduction). The water-based lubricating coating agent having pH of 2.0 to 6.5 for a metal material is obtained by blending: at least one lubricating component other than black-based solid lubricants; and at least one chemical conversion component selected from the group consisting of a phosphoric acid compound, an oxalic acid compound, a molybdic acid compound, a zirconium compound, and a titanium compound, the concentration of the lubricating component is 5 mass % or more in mass ratio to the total solid content mass in the lubricating coating agent, and the concentration of the chemical conversion component is 0.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 1, 2020
    Assignee: NIHON PARKERIZING CO., LTD.
    Inventors: Kenichiro Oshita, Shinobu Komiyama
  • Patent number: 10752996
    Abstract: A surface treatment agent which is chromate-free and which can impart excellent coating adhesion and corrosion resistance to a metal material (in particular, a metal material treated with a phosphate), a surface treatment method that uses the surface treatment agent, and a surface treated metal material that is treated using the method are provided. The agent is for a metal material and contains a water-soluble ethylene glycol monoalkyl ether. It is preferable for this surface treatment agent to contain at least one type of metal compound selected from among a water-soluble vanadium compound, a water-soluble titanium compound, a water-soluble zirconium compound and a water-soluble hafnium compound.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: August 25, 2020
    Assignee: NIHON PARKERIZING CO., LTD
    Inventors: Takeru Azuma, Atsushi Moriyama, Masayasu Ara
  • Patent number: 10633518
    Abstract: A surface treatment agent for metal material may include a compound (A) that is obtained by modifying a silicic acid (a) with a hydrolysate (b) of an epoxy group-having silane coupling agent, a silicic acid (B) represented by M2O.SiO2 (wherein a mass ratio of M2O to SiO2 is 0.1 to 1 and M represents an alkali metal), and water. A mass ratio (B/A) of the silicic acid (B) to the compound (A) is 1.1 to 17.9.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: April 28, 2020
    Assignee: NIHON PARKERIZING CO., LTD.
    Inventors: Junichi Uchida, Ichiro Oura
  • Patent number: 10472585
    Abstract: A water-based lubricant for plastic working of a metallic material is obtained by adding to a water-based medium: (A) a polymer and/or a salt thereof containing a carboxylic acid or a derivative thereof as a constituent monomer; (B) an oxoacid of tungsten, of silicon, or of phosphorus, or a condensate thereof, and/or a salt thereof; (C) a hydroxide of an alkali metal; and (D) a lubricating component (D), and the solid content weight ratio (A)/[(A)+(B)+(C)+(D)] is 0.05 to 0.4.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: November 12, 2019
    Assignee: NIHON PARKERIZING CO., LTD.
    Inventors: Masaru Mochizuki, Manabu Kumagai, Yuta Kobayashi
  • Publication number: 20190323128
    Abstract: Provided are a novel chemical conversion treatment agent which is capable of forming, on/over the surface of a metal material, a chemical conversion coating which is superior in corrosion resistance, a method for producing a chemical conversion coating on/over the surface of a metal material with the use of the chemical conversion treatment agent, a metal material having a coating, and a painted metal material. The problem mentioned above can be solved by the chemical conversion treatment agent for forming a coating on/over the surface of a metal material, which characterized by containing: an ion containging at least one metal selected from the group consisting of titanium, zirconium and hafnium; a fluorine ion; at least one selected from the group consisting of an alkanesulfonic acid, an alkanolsulfonic acid, and ions thereof; and an ion containing trivalent iron.
    Type: Application
    Filed: December 22, 2017
    Publication date: October 24, 2019
    Applicant: NIHON PARKERIZING CO., LTD.
    Inventors: Atsushi Takami, Hidekazu Fukushi
  • Patent number: 10450468
    Abstract: An aqueous surface treatment composition for coated steel sheet securing sufficient working adhesion while causing the formation of a surface treatment layer imparting excellent overhang corrosion resistance even without containing chrome, that is, a surface treatment composition containing a specific organic silicon compound, hexafluorometallic acid, a urethane resin having specific cationic groups, a vanadium compound, and an aqueous medium and sufficiently securing working adhesion while imparting excellent overhang corrosion resistance by the urethane resin having cationic groups and a total amine value of specific values is provided.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: October 22, 2019
    Assignees: NIHON PARKERIZING CO., LTD., NIPPON STEEL & SUMIKIN COATED SHEET CORPORATION
    Inventors: Shigeki Yamamoto, Tomohiro Iko, Eisuke Kudo, Hiromasa Nomura, Hiroyuki Oyokawa
  • Publication number: 20190180951
    Abstract: A packaging material for electrochemical cells, which has insulating properties sufficient for preventing a short circuit, while exhibiting excellent electrolyte solution resistance and water vapor barrier properties. A packaging material for electrochemical cells is obtained by sequentially laminating a metal layer, an adhesive resin layer and a thermally adhesive resin layer in this order, wherein: a base coating layer is provided between the metal layer and the adhesive resin layer; and the base coating layer contains at least a zirconium oxide (A) having an average particle diameter within the range of from 1 nm to 500 nm (inclusive), one or more phosphorus-containing compounds (B) selected from the group of phosphorus compounds having 4 or more phosphonic groups in each molecule, and an acid-modified polyolefin resin (C).
    Type: Application
    Filed: March 21, 2017
    Publication date: June 13, 2019
    Applicants: DAI NIPPON PRINTING CO., LTD., NIHON PARKERIZING CO., LTD.
    Inventors: Kazuhiko YOKOTA, Rikiya YAMASHITA, Yasuhiko NAGASHIMA
  • Patent number: 10253416
    Abstract: Provided is a surface treatment agent for a metal material with which it is possible to produce a surface-treated metal material that has excellent initial anti-rust properties without being coated with an anti-rust oil, excellent lubrication properties, and excellent anti-corrosion and adhesion properties in a coating film for which phosphate-based chemical conversion treatment, zirconium-based chemical conversion treatment, or other coating underlay processing is omitted. This surface treatment agent for a metal material contains: a zirconium compound; an aqueous epoxy resin having in the skeleton thereof a carboxyl-group-containing polymer that includes a repeated unit derived from a carboxyl-group-containing vinyl monomer, said aqueous epoxy resin also having an acid value of 5-50 mg KOH/g; and a hydroxycarboxylic acid.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: April 9, 2019
    Assignee: NIHON PARKERIZING CO., LTD.
    Inventors: Eisuke Kudo, Yoshikazu Namai, Daisuke Shimizu
  • Patent number: 10221318
    Abstract: Provided is a hydrophilization treatment agent for an aluminum-containing metal material, for forming a film that can provide excellent hydrophilicity and hydrophilic sustainability, as well as odor property to an aluminum-containing metal material for use in a heat exchanger or the like. The hydrophilization treatment agent for an aluminum-containing metal material contains: organic-inorganic composite particles obtained by combining a water-soluble resin (A) having a hydroxyl group, a poorly water-soluble inorganic oxide (B), an organoalkoxysilane (C), and a surfactant (D) at specific ratios; and water, and the organic-inorganic composite particles are 40 to 100 mass % based on total solid content by mass.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: March 5, 2019
    Assignee: NIHON PARKERIZING CO., LTD.
    Inventor: Yoshihide Danjo
  • Publication number: 20190040531
    Abstract: To provide a non-chromate surface treatment agent that, without using one or two or more iron group compounds selected from oxides, hydroxides, or oxyhydroxides of iron, nickel, or cobalt, or the like, allows a surface treatment coating having excellent adhesion to an aluminum material or the like and an upper layer film and providing excellent corrosion resistance to the aluminum material or the like to be formed between the aluminum material or the like and the upper layer film, a method for forming a surface treatment coating using the surface treatment agent, and an aluminum material or an aluminum alloy material having thereon the surface treatment coating. The above challenge can be solved by a surface treatment agent that contains a water-soluble or water-dispersible organic polymer (A) containing a carbonyl group and/or hydroxyl group in a unit structure and an organic polymer (B) containing a phosphonic group.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 7, 2019
    Applicant: NIHON PARKERIZING CO., LTD.
    Inventors: Akinobu TSUNEISHI, Yoshihide DANJO, Kota MATSUNAMI
  • Publication number: 20190003058
    Abstract: This invention provides a technique that enables a chemical conversion coating excellent in adhesiveness and corrosion resistance to be formed on or over a magnesium material or magnesium alloy material and use of the technique. The above object is achieved by performing a surface conditioning treatment by using a surface conditioning agent that includes specific dibasic calcium phosphate particles before performing a chemical conversion for forming the chemical conversion coating.
    Type: Application
    Filed: December 22, 2016
    Publication date: January 3, 2019
    Applicant: Nihon Parkerizing Co., Ltd.
    Inventors: Yukihiro UEDA, Ryoko KATSURAYA
  • Publication number: 20180355275
    Abstract: Provided is a solid lubricant that is non-black in color and capable of reducing industrial waste (environmental conservation), and further capable of achieving a balance among excellent lubricity, moisture absorption resistance, and corrosion resistance in a heavy working region, and a lubricating coating agent including the solid lubricant. A solid lubricant including carrier particles including a lipophilic lubricating component that is at least one of an oil, an extreme-pressure agent, a soap, and a wax between particles of and/or between layers of at least one layered clay mineral selected from the group consisting of natural products and synthetic products of a smectite group, a vermiculite group, a mica group, a brittle mica group, a pyrophyllite group, and a kaolinite group.
    Type: Application
    Filed: March 4, 2016
    Publication date: December 13, 2018
    Applicant: Nihon Parkerizing Co., Ltd.
    Inventors: Kenichiro Oshita, Shinobu Komiyama
  • Publication number: 20180320101
    Abstract: Provided is a water-based lubricating coating agent for a metal material, capable of carrying out a chemical conversion treatment and a lubrication treatment at the same time, which makes it possible to achieve excellent lubricity even in plastic working, press molding, and the like, and at the same time, operability (e.g., process shortening, sludge reduction). The water-based lubricating coating agent having pH of 2.0 to 6.5 for a metal material is obtained by blending: at least one lubricating component other than black-based solid lubricants; and at least one chemical conversion component selected from the group consisting of a phosphoric acid compound, an oxalic acid compound, a molybdic acid compound, a zirconium compound, and a titanium compound, the concentration of the lubricating component is 5 mass % or more in mass ratio to the total solid content mass in the lubricating coating agent, and the concentration of the chemical conversion component is 0.
    Type: Application
    Filed: March 4, 2016
    Publication date: November 8, 2018
    Applicant: Nihon Parkerizing Co., Ltd.
    Inventors: Kenichiro Oshita, Shinobu Komiyama
  • Publication number: 20180273869
    Abstract: To provide a steel wire rod having a lubricating coating, which can achieve both corrosion resistance such as long-term rust prevention property, and excellent appearance after heading. The steel wire rod of the present disclosure includes a lubricating coating on a surface thereof, wherein the lubricating coating includes silicon (A), tungsten (B) and an alkali metal salt of fatty acid (C), a dry mass ratio of (B)/(A) is in a range of 1.3 to 18 and a dry mass ratio of (C)/{(A)+(B)} is in a range of 0.14 to 2.0, and the lubricating coating contains no phosphorus.
    Type: Application
    Filed: September 27, 2016
    Publication date: September 27, 2018
    Applicants: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), NIHON PARKERIZING CO., LTD.
    Inventors: Hirotaka ITO, Shigehiro YAMANE, Pham Van DUC, Tsuyoshi HATAKEYAMA, Shinobu KOMIYAMA
  • Patent number: 10053753
    Abstract: The aluminum-zinc plated steel sheet according to the present invention includes a plated steel sheet and a covering film that covers the plated steel sheet. The covering film contains a basic compound of transition metal other than cobalt and chromium, and metallic cobalt, or metallic cobalt and a cobalt compound. An amount of the covering film per one side is within a range of 0.01 to 0.8 g/m2. An amount in terms of mass of transition metal other than cobalt in the covering film per one side of the plated steel sheet is within a range of 4 to 400 mg/m2. An amount in terms of mass of cobalt in the covering film per one side of the plated steel sheet is within a range of 0.1 to 20 mg/m2.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: August 21, 2018
    Assignees: NIPPON STEEL & SUMIKIN COATED SHEET CORPORATION, NIPPON STEEL & SUMITOMO METAL CORPORATION, NIHON PARKERIZING CO., LTD.
    Inventors: Nobuki Shiragaki, Tomokazu Sugitani, Hiroyuki Oyokawa, Satoru Yonetani, Hiroshi Kanai, Nobuyuki Shimoda, Ichiro Oura, Hitoshi Kikuchi
  • Patent number: 10023750
    Abstract: A water-based surface treatment agent includes an organic-inorganic silicon compound (A) and inorganic particle (B), wherein the organic-inorganic silicon compound (A) is adapted to be a compound that is obtained by mixing a colloidal silica (C) and an organoalkoxysilane (D). In this regard, the ratio (MB/MA) between the solid content mass MA of the organic-inorganic silicon compound (A) and the solid content mass MB of the inorganic particle (B) preferably falls within the range from 0.2 or more and 2.0 or less, the average particle size of the organic-inorganic silicon compound (A) preferably falls within the range of 3 nm or more and 500 nm or less. In addition, the average particle size of the inorganic particle (B) preferably falls within the range of 10 nm or more and 600 nm or less.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: July 17, 2018
    Assignee: NIHON PARKERIZING CO., LTD.
    Inventors: Yusuke Nakamura, Tomohiro Endo, Hidehiro Yamaguchi
  • Publication number: 20180187119
    Abstract: The present invention provides a steel wire rod having a lubricating coating film, which can achieve both workabilities such as wire drawability, spike property and ball ironing property, and corrosion resistance such as long-term rust prevention property; and a method for producing the same. Disclosed are a steel wire rod having a coating film containing no phosphorus, wherein the coating film includes a lower layer coating film composed of oxide and/or hydroxide of zirconium and having a film thickness of 1.0 to 200 nm, and an upper layer coating film containing silicon and tungsten, in order from a steel wire rod side, a mass ratio of tungsten/silicon being in a range of 1.3 to 18; and a method for producing the above steel wire rod, which includes bringing an aqueous chemical conversion treatment solution, which has a pH in a range of 2.5 to 5.0 and contains a water-soluble zirconium compound dissolved therein, into contact with a surface of a steel wire rod to form a lower layer coating film.
    Type: Application
    Filed: February 26, 2015
    Publication date: July 5, 2018
    Applicants: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), NIHON PARKERIZING CO., LTD.
    Inventors: Hirotaka ITO, Kasumi YANAGISAWA, Takahiro OZAWA, Keita SHIIHASHI, Shinobu KOMIYAMA, Tsuyoshi HATAKEYAMA
  • Publication number: 20180187312
    Abstract: A surface treatment agent which is chromate-free and which can impart excellent coating adhesion and corrosion resistance to a metal material (in particular, a metal material treated with a phosphate), a surface treatment method that uses the surface treatment agent, and a surface treated metal material that is treated using the method are provided. The agent is for a metal material and contains a water-soluble ethylene glycol monoalkyl ether. It is preferable for this surface treatment agent to contain at least one type of metal compound selected from among a water-soluble vanadium compound, a water-soluble titanium compound, a water-soluble zirconium compound and a water-soluble hafnium compound.
    Type: Application
    Filed: June 22, 2016
    Publication date: July 5, 2018
    Applicant: Nihon Parkerizing Co., Ltd.
    Inventors: Takeru AZUMA, Atsushi MORIYAMA, Masayasu ARA