Predominantly Iron Or Steel Substrate Patents (Class 205/320)
  • Patent number: 11319632
    Abstract: Disclosed is a surface anti-corrosion treatment method for stainless steel. The method comprises the following steps: (1) performing chemical de-oiling and alkaline corrosion treatments on the surface of stainless steel by using a sodium hydroxide solution and a solution containing an alkaline corrosion active agent, and then washing with water; (2) performing, by using an oxidation solution, an oxidation treatment on the surface of the stainless steel treated in step (1), and then washing with water; (3) using the surface of the stainless steel treated in step (2) as a cathode and soaking same in an electrolyte for electrolysis, and then washing with water; and (4) placing the surface of the stainless steel treated in step (3) at a temperature of 50° C.-60° C. under a humidity of 60%-70%, and performing a hardening treatment. Also disclosed are the use of the treatment method in the treatment of a stainless steel part and a stainless steel part obtained after the treatment by means of the treatment method.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: May 3, 2022
    Assignee: SHENZHEN CANDORTECH INCORPORATED COMPANY
    Inventor: Chao Chen
  • Patent number: 9653738
    Abstract: A stainless steel for use in a fuel cell separator is produced by subjecting stainless steel containing 16 mass % or more of Cr to electrolytic treatment and thereafter to immersion treatment in a solution containing fluorine. The electrolytic treatment is carried out by anodic electrolyzation or by a combination of anodic electrolyzation and cathodic electrolyzation, and an anodic electrolytic quantity Qa and a cathodic electrolytic quantity Qc preferably satisfy Qa?Qc. The solution containing fluorine preferably has a temperature of 40° C. or higher, and hydrofluoric acid concentration [HF] (mass %) and nitric acid concentration [HNO3] (mass %) satisfying [HF]?0.8×[HNO3].
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: May 16, 2017
    Assignee: JFE Steel Corporation
    Inventors: Shinsuke Ide, Tomohiro Ishii, Shin Ishikawa, Yasushi Kato
  • Patent number: 9458549
    Abstract: The invention concerns a method for manufacturing of an object having phosphorescent properties, comprising the steps of providing an object having a surface made from aluminum or from an aluminum-based alloy and forming a layer of porous aluminum (hydr)oxide at said surface. The invention is characterized in that the method comprises the step of contacting the layer of porous aluminum (hydr)oxide with one or several solutions containing metal dopant ions such as to allow the metal dopant ions to bind to the layer of porous aluminum (hydr)oxide, wherein at least one of said solutions contains ions of at least one element selected from a first group consisting of calcium (Ca), magnesium (Mg), strontium (Sr) and barium (Ba), and wherein at least one of said solutions contains ions of europium (Eu). The invention also concerns an object obtainable by the above method.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: October 4, 2016
    Assignee: Alusera AB
    Inventors: Knut Irgum, Erika Wikberg
  • Patent number: 9187830
    Abstract: A non-oriented electrical steel sheet includes: a base iron (1); and a tension applying type insulating film (2) of not less than 1 g/m2 nor more than 6 g/m2 on a surface of the base iron (1). An oxide layer (3) containing at least one type of oxide selected from the group consisting of Si, Al, and Cr and having a thickness of not less than 0.01 ?m nor more than 0.5 ?m is formed on the surface of the base iron (1).
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: November 17, 2015
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Shuichi Yamazaki, Takeshi Kubota, Yousuke Kurosaki, Masahiro Fujikura, Takahide Shimazu
  • Publication number: 20150132602
    Abstract: A method for coating a component for use in a semiconductor chamber for plasma etching includes providing a component for use in a semiconductor manufacturing chamber, loading the component into a deposition chamber, cold spray coating a metal powder onto the component to form a coating on the component, and anodizing the coating to form an anodization layer.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 14, 2015
    Applicant: Applied Materials, Inc.
    Inventors: Jennifer Y. Sun, Vahid Firouzdor
  • Publication number: 20150129453
    Abstract: A surface treatment agent composition for non-chromium steel sheets for removing iron ions without reducing the amount of aluminum ions when subjecting the steel sheet to surface treatment by means of cathodic electrolysis using a surface treatment agent containing aluminum ions as the main component; and a method for producing a surface-treated steel sheet using the composition. A surface-treated steel sheet exhibiting high corrosion resistance, a surface-treated steel sheet with an organic coating, and a can lid, can body and seamless can produced using the surface-treated steel sheets. A surface treatment agent composition for steel sheets contains aluminum ions, fluorine ions and polycarboxylic acid and is used as the surface treatment bath used for forming a surface treatment coating film on the surface of the steel sheet by cathodic electrolysis.
    Type: Application
    Filed: March 22, 2012
    Publication date: May 14, 2015
    Applicants: Nippon Paint Co., Ltd., Toyo Kohan Co., Ltd., Toyo Seikan Kaisha, Ltd.
    Inventors: Miwa Uchikawa, Masahiko Matsukawa, Tomio Hirano, Wataru Kurokawa, Munemitsu Hirotsu, Seitaro Kanazawa, Kunihiro Yoshimura, Shinichi Taya, Naomi Taguchi
  • Patent number: 9011667
    Abstract: One embodiment of the invention includes an assembly of metal oxide comprising valve metal oxide nanotubes.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: April 21, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Mahmoud H. Abd Elhamid, Gayatri Vyas Dadheech, Curtis A. Wong, Youssef M. Mikhail, Michael J. Lukitsch
  • Publication number: 20150021192
    Abstract: The purpose of the present invention is to provide a replenisher which is capable of supplying Zr ions to a metal surface treatment solution, while suppressing an increase in the HF concentration in the metal surface treatment solution, so that a chemical conversion coating film can be continuously formed on a steel sheet by electrolysis. A replenisher of the present invention is a replenisher which is used for the purpose of supplying zirconium ions to a metal surface treatment solution that contains zirconium ions and fluorine ions, and the replenisher contains (A) zirconium hydrofluoric acid or a salt thereof and/or (B) hydrofluoric acid or a salt thereof and (C) a fluorine-free zirconium compound.
    Type: Application
    Filed: November 30, 2011
    Publication date: January 22, 2015
    Inventors: Yuta Yoshida, Hiroki Sunada, Shigeki Yamamoto, Hidehiro Yamaguchi
  • Publication number: 20140377581
    Abstract: A surface treatment agent composition which contains aluminum as the coating film formation component and exhibits excellent properties for removing tin ions within a treatment bath when subjecting a tin-plated steel to electrolytic surface treatment, thereby forming a coating film exhibiting excellent corrosion resistance and yellowing resistance. This surface treatment agent composition is used for subjecting a tin-plated steel or a tin-based alloy-plated steel to electrolytic surface treatment and contains aluminum ions, fluorine ions, and polycarboxylic acid. The tin ions that eluted from the tin-plated steel are precipitated within and removed from the treatment bath by using this surface treatment agent composition.
    Type: Application
    Filed: March 22, 2012
    Publication date: December 25, 2014
    Applicant: NIPPON PAINT CO., LTD.
    Inventors: Miwa Uchikawa, Masahiko Matsukawa, Tomio Hirano
  • Publication number: 20140272414
    Abstract: Disclosed is a method of producing metal oxides, comprising electrodepositing a metal oxide from an electrolyte solution onto a substrate to coat at least a portion of the substrate, whereby metal oxide seed particles are released into the solution, and precipitating metal oxide particles from the solution. The precipitated metal oxide particles have a maximum particle size of less than 1 micron.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Robin Peffer, Michael J. Pawlik, Jane Valenta
  • Publication number: 20140238867
    Abstract: A coated overhead conductor having an assembly including one or more conductive wires, such that the assembly includes an outer surface coated with an electrochemical deposition coating forming an outer layer, wherein the electrochemical deposition coating includes a first metal oxide, such that the first metal oxide is not aluminum oxide. Methods for making the overhead conductor are also provided.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 28, 2014
    Applicant: GENERAL CABLETECHNOLOGIES CORPORATION
    Inventors: Sathish K. RANGANATHAN, Vijay MHETAR, Cody R. DAVIS, Srinivas SIRIPURAPU
  • Patent number: 8574414
    Abstract: A method includes (a) contacting at least a portion of a substrate material with a solution comprising a source of copper, wherein the solution is essentially free of a source of a group IIIB metal and a source of a group IVB metal; and (b) after step (a), contacting at least a portion of the substrate with an electrodepositable coating composition comprising (i) a film-forming resin and (ii) a source of yttrium.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: November 5, 2013
    Assignee: PPG Industries Ohio, Inc
    Inventors: Terri Ziegler, Mark McMillen
  • Patent number: 8551317
    Abstract: Disclosed are a method and an apparatus for forming an oxide coating film with excellent corrosion resistance and adhesiveness on a cathode made of a metal plate by a simple process at low cost. A direct current voltage is applied between an anode (12) and a cathode (13) in an electrolyte solution which cathode (13) is made of a metal plate to be coated with oxide and arranged opposite to the anode (12), while supplying oxygen or a gas containing oxygen into the electrolyte solution, so that the metal plate cathode (13) is coated with oxide, thereby being formed into a oxide-coated metal plate.
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: October 8, 2013
    Assignees: Toyo Seikan Kaisha, Ltd., Toyo Kohan Co., Ltd.
    Inventors: Wataru Kurokawa, Hiroshi Matsubayashi, Mitsuhide Aihara, Masanobu Matsubara, Masatoki Ishida, Norimasa Maida
  • Patent number: 8486538
    Abstract: An electrodepositable coating composition comprising (i) a film-forming polymer, (ii) a corrosion inhibitor, and (iii) a silane that does not contain an ethylenically unsaturated double bond.
    Type: Grant
    Filed: January 26, 2010
    Date of Patent: July 16, 2013
    Assignee: PPG Industries Ohio, Inc
    Inventors: Thor G. Lingenfelter, Amanda Foley, Edward G. Rakiewicz, Richard F. Karabin, William J. Vanooij
  • Publication number: 20130052478
    Abstract: [Problems] To provide a bath for surface treatment capable of forming a surface-treating film having excellent corrosion resistance by a high-speed electrolytic treatment, and a method of producing a surface-treated steel plate having excellent corrosion resistance and closely adhering property to the coating maintaining good productivity. [Means for Solution] A bath for surface treatment used for forming a surface-treating film on the surface of a steel plate by cathodic electrolysis, the bath for surface treatment containing Zr and/or Ti, and a polycarboxylic acid.
    Type: Application
    Filed: May 27, 2011
    Publication date: February 28, 2013
    Applicants: TOYO SEIKAN KAISHA, LTD., TOYO KOHAN CO., LTD., NIPPON PAINT CO., LTD.
    Inventors: Wataru Kurokawa, Seitaro Kanazawa, Shinichi Taya, Kunihiro Yoshimura, Naomi Iida, Miwa Iida, Masahiko Matsukawa
  • Publication number: 20130011492
    Abstract: A method of electrochemical deposition includes submerging a stainless steel surface of an object in a chitosan solution and applying a first electric potential between the submerged stainless steel surface and the chitosan solution for a predetermined time to form a chitosan surface coating. After rinsing and dehydrating, the chitosan coated surface is submerged in a solution having a predetermined concentration of a noble metal nitrate and a second electric potential is applied between the chitosan coated surface and the solution of the noble metal nitrate to deposit noble metal particles on the chitosan surface coating.
    Type: Application
    Filed: August 24, 2012
    Publication date: January 10, 2013
    Applicant: The Research Foundation of State University of New York
    Inventors: Gary HALADA, Michael A. CUIFFO, Prashant JHA
  • Publication number: 20120325673
    Abstract: Electrochemical nitridation of metals and the produced metals are disclosed. An exemplary method of electrochemical nitridation of metals comprises providing an electrochemical solution at low temperature. The method also comprises providing a three-electrode potentiostat system. The method also comprises stabilizing the three-electrode potentiostat system at open circuit potential. The method also comprises applying a cathodic potential to a metal.
    Type: Application
    Filed: March 3, 2010
    Publication date: December 27, 2012
    Applicant: ALLIANCE FOR SUSTAINABLE ENERGY, LLC
    Inventors: Heli Wang, John A. Turner
  • Publication number: 20120292500
    Abstract: A mass spectrometer includes an ion source, which includes a coating or surface formed of a metallic carbide, a metallic boride, a ceramic or DLC, or an ion-implanted transition metal.
    Type: Application
    Filed: November 11, 2011
    Publication date: November 22, 2012
    Applicant: MICROMASS UK LIMITED
    Inventors: Gordon A. Jones, David S. Douce, Amir Farooq
  • Publication number: 20120183753
    Abstract: A surface-treated steel sheet for a container, comprising: a steel sheet, and a Zr compound film disposed on the steel sheet, wherein the Zr compound film being formed by a dipping or electrolytic treatment in a solution containing Zr ion, F ion, ammonium ion and nitrate ion; and the coating weight of the Zr compound film is 1 to 100 mg/m2 in terms of the amount of metallic Zr, and 0.1 mg/m2 or less in terms of the F amount. There is provided a steel sheet for container, which has an excellent processability in the can manufacturing, and at the same time, is excellent in drawing and ironing processability, weldability, corrosion resistance, adherence thereof to a coating material and adherence thereof to a film, and a process for producing such a steel sheet for container.
    Type: Application
    Filed: January 18, 2011
    Publication date: July 19, 2012
    Inventors: Shigeru Hirano, Akira Tachiki, Hirokazu Yokoya
  • Publication number: 20110259756
    Abstract: A method of production of a chemically treated steel sheet using cathode electrolysis to form a chemically treated coating which stably resupplies Zr ions in a treatment solution and uses an insoluble anode to continuously and stably treat a steel strip by cathode electrolysis in a treatment solution containing Zr ions and fluorine ions, characterized by using two or more types of zirconium compounds selected from predetermined Zr compounds to resupply zirconium ions in a plating solution consumed by the cathode electrolysis during the cathode electrolysis and maintaining a content of ions in the plating solution at zirconium ions: 0.05 to 30 g/liter, fluorine ions: 0.5 to 10 times the content of the zirconium ions, and ions derived from said two or more types of zirconium compounds other than zirconium ions and fluorine ions: not more than 10 times the content of the zirconium ions in performing the cathode electrolysis.
    Type: Application
    Filed: April 22, 2010
    Publication date: October 27, 2011
    Inventors: Shigeru Hirano, Akira Tachiki
  • Publication number: 20110076505
    Abstract: A metallic material is provided that is superior to an iron-based metallic material in all of adhesion, heat resistance, electrical conductivity, and corrosion resistance, and a method of manufacturing the metallic material is also provided. A metallic material is provided that includes an iron-based metallic material and an oxide layer formed on the surface of the iron-based metallic material. The oxide layer includes Fe and at least one kind of metal (A) selected from a group consisting of Zr, Ti, and Hf. There is also provided a method of manufacturing the metallic material.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 31, 2011
    Applicant: Henkel AG & Co., KGaA
    Inventors: Hitoshi Ishii, Yasuhiko Nagashima, Ryosuke Kawagoshi
  • Patent number: 7883616
    Abstract: A method for production of a metal oxide and/or metal hydroxide coated metal material comprises immersing a metal material or electrolyzing a conductive material in an aqueous treatment solution at pH 2-7 containing metal ion and fluorine ion in a 4-fold or more molar ratio with respect to the metal ion, and/or containing a complex ion comprising at least a metal and fluorine in a 4-fold or more molar ratio with respect to the metal, to form on the surface of the metal material a metal oxide and/or metal hydroxide coating containing the metal ion and/or the metal, as well as a metal oxide and/or metal hydroxide coated metal material having a metal oxide and/or metal hydroxide coating produced by the method.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: February 8, 2011
    Assignee: Nippon Steel Corporation
    Inventors: Hiromasa Shoji, Tsutomu Sugiura
  • Publication number: 20100044234
    Abstract: The invention relates to a superficial treatment method by electrolysis of ferrous surfaces to enhance friction or tread and seizing resistance features, wherein the surfaces provide the electrolysis anode, the electrolysis bath includes a sulphur species, primarily contains water and also contains a chloride salt and a nitrogen species in quantities which facilitates the sulphuration reaction of the surfaces.
    Type: Application
    Filed: November 16, 2007
    Publication date: February 25, 2010
    Applicant: H.E.F.
    Inventors: Philippe Maurin-Perrier, Herve Chavanne, Smail Aaziz
  • Publication number: 20090181240
    Abstract: In one embodiment, a functionalized particle includes a n inorganic particle with diazonium functional group attached. In some embodiments, the largest dimension of the inorganic particle ranges between about 10 nm and 1000 ?m. In another embodiment, a substrate with a hydrophobic surface includes a substrate, and a first plurality of inorganic particles with at least one diazonium functional group attached to the substrate. The largest dimension of the first plurality of inorganic particles ranges between about 10 nm and 1000 ?m. One embodiment includes a second plurality of particles with at least one phenol functional group attached to the inorganic particle. In a further embodiment, a fluorinated functional group is attached to the second plurality of particles. In some embodiments, the material has a hydrophobic surface with a water contact angle greater than about 150°.
    Type: Application
    Filed: December 8, 2008
    Publication date: July 16, 2009
    Applicant: Tenaris Connections AG
    Inventors: Federico Jose Williams, Maria Joselevich
  • Publication number: 20090087716
    Abstract: One embodiment of the invention includes an assembly of metal oxide comprising valve metal oxide nanotubes.
    Type: Application
    Filed: September 27, 2007
    Publication date: April 2, 2009
    Applicant: GM Global Technology Operations, Inc.
    Inventors: Mahmoud H. Abd Elhamid, Gayatri Vyas Dadheech, Curtis A. Wong, Youssef M. Mikhail, Michael J. Lukitsch
  • Patent number: 7494716
    Abstract: Process for the anodic electro-dipcoating of conducting surfaces by dipping in an aqueous anodic electro-dipcoating bath and connecting up as the anode, in which an aqueous anodic electro-dipcoating bath is used that contains 1 to 15 wt. %, referred to the binder solids of the electro-dipcoating bath, of one or more phosphoric acid epoxy esters and/or phosphonic acid epoxy esters that have been produced in the presence of alcohols.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: February 24, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Eduard Ehmann, Manfred Evers, Andreas Fieberg, Konstadinos Markou, Bettina Vogt-Birnbrich
  • Patent number: 7422629
    Abstract: Electrolysis using a suitable electrolyte provides a completely nonsludging zinc phosphate conversion coating process that produces a high quality conversion coating in a very short time. The suitable electrolyte contains at least water, dissolved nitric acid, and dissolved zinc cations and optionally also contains m chemically distinct species of cations other than zinc and n chemically distinct species of anions other than anions derivable by ionization of phosphoric and nitric acids, each of m and n independently being zero or a positive integer.
    Type: Grant
    Filed: March 2, 2000
    Date of Patent: September 9, 2008
    Assignee: Henkel Kommanditgesellschaft Auf Aktien
    Inventors: Jun Kawaguchi, Kazuhiro Ishikura, Tomoyuki Manmi
  • Publication number: 20080169200
    Abstract: A method of anodizing steel, wherein a steel object is connected to a positive terminal of a power supply, a counter electrode is connected to a negative terminal of the power supply, the steel object and counter electrode are placed into a solution of KOH or NaOH, and a voltage is applied across the terminals to anodize the steel object by forming a adherent blue-black or semi-adherent dichroic colored oxide coating thereon.
    Type: Application
    Filed: January 17, 2007
    Publication date: July 17, 2008
    Inventors: Thomas David Burleigh, Taylor Chase Dotson, Keenan Thomas Dotson
  • Patent number: 7297406
    Abstract: The present invention relates to a cationic electrodeposition coating composition substantially free of lead compounds, which is excellent in curability and can be finish-coated with a splendid appearance, and an article coated with the composition. The invention provides a lead-free electrodeposition coating composition excellent in curability and a coated article, the composition being capable of forming a coating film, which emits less tin compounds to have no influence on appearance of a finish coating film and film performances.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: November 20, 2007
    Assignees: Honda Motor Co., Ltd., Nippon Paint Co., Ltd.
    Inventors: Hiroyuki Morishita, Katsuyoshi Kaneko, Fumiaki Niisato, Toshiyuki Ishii, Kageki Fujimoto
  • Patent number: 7294410
    Abstract: The present invention relates to a cationic electrodeposition coating composition substantially free of lead compounds, and more specifically to a method of coating an alloyed hot-dip galvanized steel plate with the composition and a coated article obtained by the method having edge portions and general surfaces excellent in corrosion resistance. The invention provides a method of coating an alloyed hotdip galvanized steel plate with a lead-free cationic electrodeposition coating composition containing a rust preventive pigment to form an electrodeposition coating film excellent in corrosion resistance, and a coated article obtained by the electrodeposition.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: November 13, 2007
    Assignees: Honda Motor Co., Ltd., Nippon Paint Co., Ltd.
    Inventors: Hiroyuki Morishita, Katsuyoshi Kaneko, Fumiaki Niisato, Toshiyuki Ishii
  • Patent number: 7204925
    Abstract: A structure and a method of preventing electrolytic corrosion for a magnesium alloy member (20), the structure wherein a first coated layer (11) formed by electro deposition and a second coated layer (12) formed by distributing PTFE particles on the first coated layer (11) are covered on the surface of a tightening member (1) at least on a surface coming into contact with the magnesium alloy member (20), whereby, the electrolytic corrosion of the magnesium alloy member can be prevented at a low cost by insulating a tightening member such as a steel bolt and a washer from the magnesium alloy member, and an adhesiveness therebetween can be sufficiently assured.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: April 17, 2007
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Sadaharu Matsumura, Tsuyoshi Kawabe, Tetsuya Saito, Katsumi Sakamoto, Ryosuke Kamegamori
  • Patent number: 7186327
    Abstract: A method and apparatus wherein an electrically conductive element is placed inside a previously installed metallic water vessel such as a supply pipe or well. A direct current voltage is then applied between the element and the conductive wall of the vessel. The conductive element can be a partially insulated wire. For causing deposition on the vessel, the voltage applied to the conductive element is of an amount sufficient to cause the potential of the metallic vessel to be lowered below the potential of the element by at least ?0.3 volts, and more adequately ?1.3 volts. An alternative embodiment involves reversing the polarity of the voltage applied between the conductive element and the vessel, causing the oxidation/reduction reaction to reverse, resulting in calcium carbonate being removed from the vessel by the production of acid at the surface of the vessel.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: March 6, 2007
    Inventor: Larry L. Russell
  • Patent number: 7144492
    Abstract: The application of anti-corrosion base coating by cataphoretic painting (KTL) is well known in manufacturing automobile body parts. However the cataphoretic paint can penetrate only incompletely or possibly not at all into the gap in the contact areas of the components joined to each other. This type of gap is conventionally scaled following cataphoretic painting, in order to ensure corrosion protection for the entire assembly. The present invention makes it possible to dispense with the sealing in the production of an assembly of joined conductive components and nevertheless to ensure a sufficient corrosion protection. By introducing topographic changes in the components projecting from their surface in the known contact areas and then joining these components, they are spaced apart by the projecting topographic changes in such a manner that during cataphoretic painting the paint wets the entire surface of the assembly.
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: December 5, 2006
    Assignee: DaimlerChrysler AG
    Inventors: Wolfgang Becker, Alfred Fuchs, Klaus Goth, Markus Knoeller, Dirk Lindenau, Claus-Dieter Reiniger, Daniel Zauner
  • Patent number: 7005056
    Abstract: A method for inhibiting corrosion, e.g., pitting corrosion, of alloys is provided. Particularly, the method comprises contacting at least a portion of a surface of the alloy with an aqueous solution comprising a salt of one or more rare earth elements selected from the group consisting of yttrium, gadolinium, cerium, europium, terbium, samarium, neodymium, praseodymium, lanthanum, holmium, ytterbium, dysprosium and erbium; and establishing a voltage differential between an anode comprising the alloy and a cathode in the solution at an effective level and for a sufficient period of time wherein a rare earth element oxide-containing coating is formed on the surface of the alloy to inhibit corrosion thereof.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: February 28, 2006
    Assignee: The Johns Hopkins University
    Inventors: Rengaswamy Srinivasan, Hassan M. Saffarian, Stuart A. Fogel
  • Patent number: 6994779
    Abstract: The disclosure relates to a process for forming a deposit on the surface of a metallic or conductive surface. The process employs an energy enhanced process to deposit a silicate containing coating or film upon a metallic or conductive surface.
    Type: Grant
    Filed: March 3, 2003
    Date of Patent: February 7, 2006
    Assignee: Elisha Holding LLC
    Inventors: Robert L Heimann, William M. Dalton, John Hahn, David M. Price, Wayne L. Soucie, Ravi Chandran
  • Patent number: 6764769
    Abstract: The invention relates to a novel apatite-coated metallic material having improved surface quality and biocompatibility, a process for its preparation, and the use of the material for bone implants, in particular dental implants, artificial joints and fixative material for accident surgery (osteosynthesis material). The coating in this case consists of a thick covering of hydroxyapatite crystals and/or amorphous calcium phosphate spheres having a specific surface area of less than 15 m2/g.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: July 20, 2004
    Assignee: Biomet Merck GmbH
    Inventors: Bernd Kotte, Jürgen Hofinger, Tanja Hebold
  • Patent number: 6733650
    Abstract: Disclosed are a process for producing a zinc oxide film comprising the steps of transporting a conductive long substrate via above at least one electrode comprised of zinc in an electrodeposition bath held in an electrodeposition tank and applying an electric field between the electrode and the conductive long substrate, thereby forming a zinc oxide film on the conductive long substrate, the process comprising a first step of forming the zinc oxide film on a part of the conductive long substrate; a second step of stopping the application of the electric field and the transportation; and a third step of bringing at least a region of a part of the conductive long substrate being in contact with the electrodeposition bath in the second step into non-contact with the electrodeposition bath, and an apparatus suitably used for the process. The process and apparatus enables high-quality zinc oxide films to be produced.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: May 11, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuichi Sonoda, Kozo Arao, Noboru Toyama, Yusuke Miyamoto
  • Publication number: 20040011659
    Abstract: A method for inhibiting corrosion, e.g., pitting corrosion, of alloys is provided. Particularly, the method comprises contacting at least a portion of a surface of the alloy with an aqueous solution comprising a salt of one or more rare earth elements selected from the group consisting of yttrium, gadolinium, cerium, europium, terbium, samarium, neodymium, praseodymium, lanthanum, holmium, ytterbium, dysprosium and erbium; and establishing a voltage differential between an anode comprising the alloy and a cathode in the solution at an effective level and for a sufficient period of time wherein a rare earth element oxide-containing coating is formed on the surface of the alloy to inhibit corrosion thereof.
    Type: Application
    Filed: February 4, 2003
    Publication date: January 22, 2004
    Inventors: Rengaswamy Srinivasan, Hassan M. Saffarian, Stuart A. Fogel
  • Publication number: 20040000492
    Abstract: A sliding member having excellent seizure resistance comprising a metallic member provided with a sulfide-based solid lubricating layer on the sliding surface thereof is provided, characterized in that the interface of the metallic member in contact with said solid lubricating layer is provided with a surface roughness Rmax of 1 &mgr;m or higher. The sliding member above is obtained by preparing an aqueous solution dissolved therein one or two types or more of thiocyanates or thiosulfates of alkali metals or alkaline earth metals, and by performing electrolytic treatment in which a steel member the surface roughness thereof is controlled is used as the anode. In this manner, an iron sulfide based layer is formed on the surface of the steel member by using the Fe component derived from the steel and the S component from the solution as the reacting agents.
    Type: Application
    Filed: July 1, 2003
    Publication date: January 1, 2004
    Applicant: DOWA MINING CO., LTD.
    Inventors: Osamu Ogawa, Motoyoshi Yamauchi, Toshiki Kasamatsu
  • Patent number: 6660152
    Abstract: According to the invention, silicon nanoparticles are applied to a substrate using an electrochemical plating processes, analogous to metal plating. An electrolysis tank of an aqueous or non-aqueous solution, such as alcohol, ether, or other solvents in which the particles are dissolved operates at a current flow between the electrodes. In applying silicon nanoparticles to a silicon, metal, or non-conducting substrate, a selective area plating may be accomplished by defining areas of different conductivity on the substrate. Silicon nanoparticle composite platings and stacked alternating material platings are also possible. The addition of metal ions into the silicon nanoparticle solution produces a composite material plating. Either composite silicon nanoparticle platings or pure silicon nanoparticle platings may be stacked with each other or with convention metal platings.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: December 9, 2003
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Munir H. Nayfeh, Gennadiy Belomoin, Adam Smith, Taysir Nayfeh
  • Patent number: 6641711
    Abstract: An electrodeposition coating composition that is excellent in bath stability and that can give a cured film enhanced in hardness and an electrodeposition coating process is provided. An electrodeposition coating composition to be used in an electrodeposition coating process which comprises the electrodeposition step of immersing a substrate in an electrodeposition coating composition and applying a voltage between the substrate as an anode or cathode and a counter electrode to thereby form a film of said electrodeposition coating composition on the surface of the substrate, and the heating step of heating said film obtained in the above electrodeposition step, and said electrodeposition coating composition comprising having electrodeposition potentiality against the curing reaction of said film.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: November 4, 2003
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Hiroyuki Sakamoto, Ichiro Kawakami, Koji Izumiya, Takao Saito, Masahiro Nishio
  • Patent number: 6589412
    Abstract: A sliding member having excellent seizure resistance comprising a metallic member provided with a sulfide-based solid lubricating layer on the sliding surface thereof is provided, characterized in that the interface of the metallic member in contact with said solid lubricating layer is provided with a surface roughness Rmax of 1 &mgr;m or higher. The sliding member above is obtained by preparing an aqueous solution dissolved therein one or two types or more of thiocyanates or thiosulfates of alkali metals or alkaline earth metals, and by performing electrolytic treatment in which a steel member the surface roughness thereof is controlled is used as the anode. In this manner, an iron sulfide based layer is formed on the surface of the steel member by using the Fe component derived from the steel and the S component from the solution as the reacting agents.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: July 8, 2003
    Assignee: Dowa Mining Co., Ltd.
    Inventors: Osamu Ogawa, Motoyoshi Yamauchi, Toshiki Kasamatsu
  • Patent number: 6572756
    Abstract: The disclosure relates to a process for forming a deposit on the surface of a metallic or conductive surface. The process employs an electrolytic process to deposit a mineral containing coating or film upon a metallic or conductive surface.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: June 3, 2003
    Assignee: Elisha Holding LLC
    Inventors: Robert L. Heimann, William M. Dalton, John Hahn, David M. Price, Wayne L. Soucie
  • Patent number: 6346186
    Abstract: A method for electrochemical phosphating of metal surfaces, particularly stainless steel, in connection with cold forming of metal workpieces, which method provides the cold formed workpiece with a lubricant after phosphating, involves an electrochemical phosphating through a cathodic process applying an aqueous phosphating solution containing 0.5 to 100 g Ca2+/l 0.5 to 100 g Zn2+/l 5 to 100 g PO43−/l 0 to 100 g NO3−/l 0 to 100 g ClO3−/l and 0 to 50 g F− or Cl−/l by which the temperature of the solution is between 0 and 95° C., the pH-value of the solution is between 0.5 and 5, and the current density is between 0.1 and 250 mA/cm2. This gives a good lubrication effect, a good adhesion to the metal surface, particularly stainless steel, and a more expedient texture than ordinary phosphating.
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: February 12, 2002
    Assignee: Danfoss A/S
    Inventors: Niels Janniksen Bjerrum, Erik Christensen, Thomas Steenberg
  • Publication number: 20020012804
    Abstract: The disclosure relates to a process for forming a deposit on the surface of a metallic or conductive surface. The process employs an electrolytic process to deposit a silicate containing coating or film upon a metallic or conductive surface.
    Type: Application
    Filed: February 1, 2001
    Publication date: January 31, 2002
    Inventors: Robert L. Heimann, William M. Dalton, John Hahn, David M. Price, Wayne L. Soucie, Ravi Chandran
  • Patent number: 6328873
    Abstract: Cathodic electrodeposition coating compositions containing, in addition to conventional self-cross-linking or external cross-linking film-forming binders as well as optionally cross-linking agents, pigments, extenders, additives conventionally used in coating agents and solvents, from 0.1 to 5 wt-%, based on the resin solids content of the coating compositions, of one or more sulphonamides, when coated on a galvanized surface, produce coatings that are substantially free of pinholes.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: December 11, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Klausjoerg Klein, Norbert David, Heinz-Peter Katzmann
  • Patent number: 6322687
    Abstract: The disclosure relates to a process for forming a deposit on the surface of a metallic or conductive surface. The process employs an electrolytic process to deposit a mineral containing coating or film upon a metallic or conductive surface.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: November 27, 2001
    Assignee: Elisha Technologies Co LLC
    Inventors: Robert L. Heimann, William M. Dalton, John Hahn, David M. Price, Wayne L. Soucie
  • Patent number: 6322688
    Abstract: In order to improve the adhesion property of an electrical steel sheet with no film of inorganic mineral matter on its surface, especially with respect to a tension-imparting insulating film, anodic electrolysis in an aqueous solution of silicate is carried out before insulating film formation to form a silicic film excellent in adhesion property with respect to the insulating film in a thin and strongly attached condition on the steel sheet surface. By this, a tension-imparting insulating film can be formed on a grain-oriented electrical steel sheet with excellent adhesion property to reduce the iron loss of the oriented electrical steel sheet. Also in the case of an insulating film that is not of the tension-imparting type, enhancement of film heat resistance and improvement of insulating property by increasing a film thickness are possible.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: November 27, 2001
    Assignee: Nippon Steel Corporation
    Inventors: Shuichi Yamazaki, Masao Kurosaki, Kenichi Murakami, Yoshiyuki Ushigami
  • Patent number: 6280852
    Abstract: A laminated steel sheet of the present invention has a surface-treated steel sheet with an outermost chromium oxide having specific surface area of 1.08 to 1.35 as a base sheet, and a plastic film is laminated on at least one side of the base sheet, and has excellent in tenacious adhesion to the plastic film after forming.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: August 28, 2001
    Assignee: Toyo Kohan Co., Ltd.
    Inventors: Nobuyoshi Shimizu, Masao Komai, Ayumu Taniguchi
  • Patent number: 6258243
    Abstract: The disclosure relates to a process for forming a deposit on the surface of a metallic or conductive surface. The process employs an electrolytic process to deposit a mineral containing coating or film upon a metallic or conductive surface.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: July 10, 2001
    Assignee: Elisha Technologies Co LLC
    Inventors: Robert L. Heimann, William M. Dalton, John Hahn, David M. Price