Contains Organic Material Patents (Class 148/274)
  • Patent number: 9097496
    Abstract: An armor system with a lightweight armored panel manufactured as a multi-material structure having a multiple of layers including a hard ballistic material layer of a Ceramic/CMC (Ceramic Matrix Composite) hybrid armor material capable of defeating ballistic threats. The monolithic ceramic layer includes a surface enhancement to the expected projectile impact face of a minimal weight yet which provides significant ballistic performance improvement.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: August 4, 2015
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Connie E. Bird, John E. Holowczak
  • Patent number: 9039845
    Abstract: Aqueous compositions useful as pretreatments prior to painting and to prevent the formation of white rust in the uncoated condition include an organopolyphosphonic acid or salt thereof, an organosilane, and a trivalent chromium compound. A method for treating a surface of a zinc-containing metal includes contacting the surface with an aqueous composition including an organopolyphosphonic acid or salt thereof, an organosilane, and a trivalent chromium compound. The composition may also include an agent for reducing hydrophilicity, such as a polyacrylic acid. The aqueous composition has been found to be particularly well-suited for treating a zinc-containing metal to passivate the surface, improve paint adhesion, and/or improve corrosion resistance.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: May 26, 2015
    Assignee: Bulk Chemicals, Inc.
    Inventors: Ted M. Schlosser, Edward M. Musingo
  • Patent number: 9034117
    Abstract: A composition to decommission firearms is presented. The composition comprises a monomer, a quantity of calcium chloride; and sulfur-containing compound. The sulfur containing compound includes sodium persulfate and/or sodium thiosulfate.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: May 19, 2015
    Inventor: John L. Lombardi
  • Patent number: 9028667
    Abstract: A metal material is contacted with a treatment solution containing zirconium and/or titanium compound, and a polyamine compound having a number average molecular weight from 150 to 500,000 and containing from 0.1 mmol to 17 mmol of primary and/or secondary amino group per 1 g of solid content and at least one siloxane unit. Concentration of zirconium and/or titanium compound in the metal surface treatment composition is from 10 ppm to 10,000 ppm with respect to the metal element, and mass ratio of the zirconium and/or titanium element is from 0.1 to 100 with respect to the polyamine compound. The metal material is washed with water after contacted by the treatment solution.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: May 12, 2015
    Assignees: Nippon Paint Co., Ltd., Chemetall GmbH
    Inventors: Toshio Inbe, Thomas Kolberg
  • Publication number: 20150125708
    Abstract: A chromium-free treating liquid and treatment methods which are for imparting to a zinc or zinc alloy deposit a coating film which is highly corrosion-resistant, has a uniform appearance free from sag stains/puddle stains, has no failure concerning thickness unevenness, and has satisfactory adhesion. The surface-treating aqueous solution, which is for forming a corrosion-resistant coating film over a zinc or zinc alloy deposit, is characterized by comprising (a) an alkali metal silicate (M2O.nSiO2 (wherein M represents an alkali metal and n indicates SiO2/M2O molar ratio)), (b) a water-soluble or water-dispersible silane coupling agent, and (c) a water-soluble or water-dispersible glycidyl ether compound. One of the surface treatment methods for forming a highly corrosion-resistant coating film over a zinc or zinc alloy deposit includes bringing the surface of the zinc or zinc alloy deposit into contact with the surface-treating aqueous solution.
    Type: Application
    Filed: January 7, 2015
    Publication date: May 7, 2015
    Applicant: DISPOL CHEMICALS CO., LTD.
    Inventors: Hitoshi Sakurai, Satoshi Yuasa, Keisuke Nonomura
  • Patent number: 8986467
    Abstract: A method for passivating metallic surfaces, wherein the surface is contacted with an aqueous composition comprising at least one water-soluble polymer (X) comprising acidic groups and with at least one surfactant (T) based on alkoxylated alcohols, the pH of the composition being in the range from 0.5 to 5, enables durable protection of the surface.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: March 24, 2015
    Assignee: BASF SE
    Inventors: Guido Vandermeulen, Achim Fessenbecker, Bernd Laubusch, Helmut Witteler, Jürgen Tropsch
  • Publication number: 20150024222
    Abstract: A process for passivation of strip steel plate, having the following steps: electrochemical treatment of the black plate by passing the black plate through an electrolyte to form an inert steel surface; rinsing the black plate; and application of an aqueous chromium-free treatment solution to at least one surface of the black plate to form a conversion layer that protects against corrosion and an adhesion layer for paints and organic coating materials. The black plate treated in accordance with this process is characterized by high corrosion resistance and has good bonding capacity for paints and organic coatings and therefore is very suitable as a substitute for tin-free steel (TFS or ECCS) and tinplate for the production of packagings, in particular cans. In contrast to the traditional manufacturing and passivation processes for tin-free steel and tinplate, no chromium VI, which is environmentally hazardous and hazardous to health, is used in this process.
    Type: Application
    Filed: July 16, 2014
    Publication date: January 22, 2015
    Inventors: Reiner SAUER, Andrea MARMANN, Helmut OBERHOFFER, Tatjana KASDORF, Gerhard MENZEL, Dirk MATUSCH, Rainer GOERTZ
  • Publication number: 20150024137
    Abstract: An apparatus and method for the application of an aqueous treatment solution onto the surface of a steel strip that is moved, at a prespecified strip speed, in a direction of movement of the strip, with the following steps: drying of the moving steel strip with a gas flow; application of the aqueous solution on at least one surface of the steel strip with a rotary sprayer with several spray rotors that are situated next to one another, transverse to the direction of movement of the strip, to which the aqueous treatment solution is supplied and which are rotated by a drive, so as to spray the treatment solution, as a result of centrifugal force, in the form of a spray jet, onto the surface of the steel strip and, there, to form a wet film of the aqueous treatment solution; equalization of the applied wet film of the aqueous treatment solution by driven smoothing rollers; and drying of the applied wet film of the aqueous treatment solution.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 22, 2015
    Inventors: Andrea Marmann, Michael Wild, Paul Michels
  • Patent number: 8784629
    Abstract: A method of producing a surface-treated metal material, comprising: surface treating a metal material using a treatment liquid (1), which comprises from 10 to 10,000 ppm of tin ions and has a pH of 1.0 or greater, and subjecting the metal material that has undergone surface treatment with the treatment liquid (1) to an additional chemical conversion treatment using a treatment liquid (2), which comprises zirconium ions and/or titanium ions.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: July 22, 2014
    Assignee: Chemetall GmbH
    Inventors: Toshio Inbe, Hiroshi Kameda, Thomas Kolberg
  • Patent number: 8728251
    Abstract: A chromium-free aqueous treatment solution for coating metal surfaces is described. The treatment solution contains fluorocomplex ions of titanium and/or zirconium and molybdate ions, vanadium ions and one or more aromatic carboxylic acids with at least one carboxyl groups and at least two further functional groups, wherein the two further functional groups are selected from the group comprising carboxyl groups, hydroxyl groups, amino groups and nitro groups.
    Type: Grant
    Filed: December 7, 2010
    Date of Patent: May 20, 2014
    Assignee: Bulk Chemicals, Inc.
    Inventor: Stephanie Greber
  • Patent number: 8591638
    Abstract: A tin or tin alloy plating film surface treatment aqueous solution that can reduce whiskers on the surface of a tin or tin alloy plating film, and can provide a favorable tin or tin alloy plating film using a simple method for tin or tin alloy plating films that are used on electronic components.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: November 26, 2013
    Assignee: Rohm and Haas Electronic Materials LLC
    Inventor: Yutaka Morii
  • Patent number: 8591670
    Abstract: An acidic, aqueous composition contains a trivalent chromium compound, an organo-functional silane, and a compound of a group IV-B element. The composition protects metal surfaces, preferably aluminum and aluminum alloys, against corrosion and improves their paint adhesion. The trivalent chromium compound may comprise chromium fluoride and optionally others, such as chromium nitrate. The organo-functional silane is preferably an aminopropyltriethoxy silane, and the compound of a group IV-B element is preferably fluorozirconic acid. The composition can either be dried-in-place or rinsed before a further coating layer is applied. The composition may also include at least one polymer having a plurality of both carboxylic functional groups, alone or with hydroxyl groups.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: November 26, 2013
    Assignee: Bulk Chemicals, Inc.
    Inventor: Richard J. Church
  • Patent number: 8568522
    Abstract: Process for passivating metallic surfaces, and a preparation suitable for implementing the process, comprising at least water, an acid, and a copolymer of functionalized (meth)acrylic esters, monomers containing phosphoric and/or phosphonic acid groups, monomers having COOH groups, and, if appropriate, further monomers. Copolymer which comprises said monomers.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: October 29, 2013
    Assignee: BASF SE
    Inventors: Frank Klippel, Alexander Göthlich, Gunnar Schornick, Dietrich Fehringer, Thomas Heidenfelder, Helmut Witteler, Walter Bertkau
  • Patent number: 8535456
    Abstract: A chemical conversion treatment solution for a steel material is provided. The solution is an acidic aqueous solution of pH 3 to 5 containing 50 to 500 ppm by weight of zirconium fluoride complex in terms of Zr, 5 to 50 ppm by weight of free fluorine, and 5 to 30% by weight in relation to Zr of polyethyleneimine having a weight average molecular weight of 300 to 10,000, a molar ratio of the primary amino group of at least 30%, and a molar ratio of the tertiary amino group of at least 15% in relation to the total amino group content. A method for chemical conversion treatment is also provided. This invention realizes excellent coating adhesion and corrosion resistance after the coating, as well as improved throwing power in the coating, and in particular, in the electrodeposition coating of a steel material.
    Type: Grant
    Filed: January 11, 2011
    Date of Patent: September 17, 2013
    Assignee: Henkel AG & Co. KGaA
    Inventors: Hitoshi Ishii, Yasuhiko Nagashima
  • Patent number: 8491729
    Abstract: Disclosed is a method for providing an anti-corrosion protective coating to a metal substrate that uses a coating composition comprising a resin and a polyfunctional bridging molecule to both bind to the resin and to chelate the bound polymeric resin directly to the metal substrate. One category of polyfunctional bridging molecules preferably includes at least one amine function to bind to a resin and at least one carboxylate, thiol, silane, phenolate, acetoacetonate, imine, phosphate, or phosphonate function to chelate to a metal substrate. It is theorized that the amine function can bind to certain pendent chains in coating resins through a Michael addition reaction while the carboxylate, thiol, silane, phenolate, acetoacetonate, imine, phosphate, or phosphonate functions chelate to the metal substrate. These polyfunctional bridging molecules provide an organic binding of the resin to the metal substrates.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: July 23, 2013
    Assignee: Henkel AG & Co. KGaA
    Inventors: Brian D. Bammel, Thomas S. Smith, II
  • Patent number: 8486203
    Abstract: Aqueous acidic coating solutions containing a water soluble divalent zinc compound, a complex fluoride compound, and an organic inhibitor for improving the corrosion resistance and adhesive bonding characteristics of aluminum, aluminum alloys, anodic coatings and sacrificial coatings, are disclosed. Suitable organic inhibitors include oximes, such as salicylaldoxime, and/or quinolines, particularly 8-hydroxyquinoline, and mixtures thereof.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: July 16, 2013
    Assignee: Metalast International, Inc.
    Inventor: Alp Manavbasi
  • Publication number: 20130160898
    Abstract: The present disclosure relates to a chemically treated zinc-based plated steel sheet that is superior in weather resistance, water resistance, blackening resistance and film adhesion. A chemical conversion film having a thickness 0.5-10 ?m is formed by coating and drying a chemical treatment solution on a surface of an aluminum-containing zinc-based alloy plated steel sheet. The chemical treatment solution contains a fluororesin containing 0.05-5% by weight of a hydrophilic functional group selected from the group consisting of a carboxyl group and a sulfonic acid group and 7-20% by weight of a fluorine atom, the fluororesin in which a number-average molecular weight is 1,000-2,000,000, and an oxoate, a fluoride, a hydroxide, an organic salt, a carbonate or a peroxygenated salt of a group 4A metal.
    Type: Application
    Filed: June 17, 2011
    Publication date: June 27, 2013
    Applicant: NISSHIN STEEL CO., LTD.
    Inventors: Masanori Matsuno, Koichiro Ueda, Masaya Yamamoto, Hirofumi Taketsu
  • Patent number: 8430973
    Abstract: The present invention relates to a process for improving the heat and corrosion resistance of stainless steel by means of a novel passivation process. This process comprises a chemical treatment with an aqueous solution comprising a complexing agent combination of at least one oxidant, a subsequent rinsing and a subsequent treatment at elevated temperature in an oxygen-containing atmosphere. The stainless steel surfaces obtained according to the invention have a homogeneous passive layer having increased chemical resistance and resistance to thermal discoloration.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: April 30, 2013
    Assignee: Poligrat GmbH
    Inventors: Olaf Böhme, Siegfried Piesslinger-Schweiger
  • Patent number: 8430972
    Abstract: A metal surface treatment composition including at least one compound selected from the group consisting of a zirconium compound and a titanium compound, and an organosiloxane, which is a polycondensate of organosilane and has in a molecule thereof of at least two amino groups, in which the Degree of polycondensation of the organosiloxane is at least 40%, the content of at least one compound selected from the group consisting of the zirconium compound and the titanium compound is predetermined content, the content of the organosiloxane in the metal surface treatment composition is predetermined content, and the mass ratio of at least one element selected from the group consisting of the zirconium element and the titanium element contained in the zirconium compound and the titanium compound, respectively, to the silicon element contained in the organosiloxane is a predetermined ratio.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: April 30, 2013
    Assignees: Nippon Paint Co., Ltd., Chemetall GmbH
    Inventors: Toshio Inbe, Thomas Kolberg
  • Publication number: 20130004885
    Abstract: A process includes patterning a surface of a platinum group metal-based electrode by contacting the electrode with an adsorbate to form a patterned platinum group metal-based electrode including platinum group metal sites blocked with adsorbate molecules and platinum group metal sites which are not blocked.
    Type: Application
    Filed: September 26, 2011
    Publication date: January 3, 2013
    Inventors: Dusan Strmcnik, Bostjan Genorio, Vojislav Stamenkovic, Nenad Markovic
  • Patent number: 8298350
    Abstract: A chromium-free conversion coating is prepared by the addition of inorganic salts to dispersions of conducting polymers which are then exposed to alloys of aluminum or other metals. Advantageously, the performance of the coating is comparable to that of known Cr (chromium)-based methods for a number of aluminum alloys having particular significance in the manufacture of aircraft.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: October 30, 2012
    Assignee: The Boeing Company
    Inventors: Francisco Jesus Cano-Iranzo, Uxoa Izagirre-Etxeberria, Oihana Zubillaga-Alcorta, Patricia Santa Coloma-Mozo, Nieves Lapeña-rey
  • Patent number: 8293029
    Abstract: Chromium-free conversion coating treatment solutions and processes for depositing a colored layer on zinc or galvanized steel, aluminum, magnesium or their alloys, are provided comprising: hexafluorotitanate and/or hexafluorozirconate ions; molybdate and/or tungstate ions; one or more chelating complex formers; and a copolymer of alkylene phosphonic or alkylene phosphinic acid and one or more unsaturated carboxylic acids.
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: October 23, 2012
    Assignee: Henkel AG & Co. KGaA
    Inventors: Ulrich Jueptner, Joerg Becker
  • Patent number: 8287662
    Abstract: A composition for metal surface treatment can form a chemical conversion coating film which achieves sufficient foundation surface concealment, coating adhesion and corrosion resistance. A method for treating the surface of a metal material with such a composition for metal surface treatment is used. Specifically a metal surface treatment composition used for a treatment of a metal surface, contains a zirconium compound and/or a titanium compound, and a polyamine compound having a number average molecular weight of not less than 150 but not more than 500,000. The polyamine compound contains not less than 0.1 millimole but not more than 17 millimoles of a primary and/or secondary amino group per 1 g of the solid content, and the content of the zirconium compound and/or titanium compound in the metal surface treatment composition is not less than 10 ppm but not more than 10,000 ppm in terms of metal elements.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: October 16, 2012
    Assignees: Nippon Paint Co., Ltd., Chemetall GmbH
    Inventors: Toshio Inbe, Thomas Kolberg
  • Patent number: 8273189
    Abstract: The invention relates to a method for the carboxylation conversion of a metal surface under oxidizing conditions in relation to the metal, consisting in bringing the metal into contact with a hydro-organic or aqueous bath containing a mixture of organic acids. The invention is characterized in that; the organic acids comprise saturated linear carboxylic acids having between 10 and 18 carbon atoms; the mixture comprises a binary or ternary mixture of such acids; the respective proportions of said acids are such that (i) for a binary mixture x±5%?y±5%, wherein x and y represent the respective proportions, in molar percentages, of the two acids in a mixture with the composition of the eutectic and (ii) for a ternary mixture x±3%?y±3%?z±3%, wherein x, y and z represent the respective proportions, in molar percentages, of the three acids in a mixture with the composition of the eutectic; and the concentration of the mixture in the bath is greater than or equal to 20 g/l.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: September 25, 2012
    Assignees: ArcelorMittal France, Total France
    Inventors: Herve Derule, Lydia Rachiele, Sophie Jacques, Nicole Genet, Jean Steinmetz, Emmanuel Rocca
  • Patent number: 8262810
    Abstract: A method for conversion treating a surface of a magnesium alloy workpiece includes the steps of degreasing, acid pickling, alkali pickling, and chemical converting. A phosphating solution is used in the step of chemical converting and includes the following solution concentrations: 2.89 gram/liter to 8.67 gram/liter of phosphoric acid, 0.3 gram/liter to 1.0 gram/liter of carbamide, 0.39 gram/liter to 1.56 gram/liter of nitric acid, 6 gram/liter to 30 gram/liter of manganese dihydrogen phosphate, and 0.2 gram/liter to 0.6 gram/liter of tannin.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: September 11, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Sheng-En Hsu, Yong Liu, Fei-Xiang Li, Zhao Jin
  • Patent number: 8262811
    Abstract: For producing corrosion resistant yellow passivate layers on zinc and zinc alloy surfaces, an aqueous reaction solution is utilized that contains trivalent chromium ions, at least one acid as well as at least one heteroaromatic compound selected from the group comprising nicotinic acid, the salts and derivatives thereof.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: September 11, 2012
    Assignee: Atotech Deutschland GmbH
    Inventors: Lee Capper, Andreas Noack
  • Patent number: 8252381
    Abstract: A coated metal surface is disclosed, with a chemically-bonded film of long-chain organic groups. Such coating may be hydrophobic, and therefore repel the presence of water. This allows the surface to resist corrosion and surface oxidation, without diminishing the desired metallic characteristics of the surface. Further disclosed are methods for applying and coating on various substrates. Such coating may be advantageously applied to protect metals from corrosive environments such as air, water, chemicals, and bodily fluids.
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: August 28, 2012
    Assignee: CSL, Inc.
    Inventors: Sunity K. Sharma, Ravi Shankar, Jaspreet S. Dhau, Naishadh K. Saraiya
  • Patent number: 8247539
    Abstract: The invention concerns a process for preparing a hybrid organic-inorganic material (HOIM) with phosphorus-containing bridges between the surface of an inorganic substrate containing an element M and one or more organic groups of the covalent M-O-P-R type, said process using, as a precursor for said organic group or groups, at least one organophosphorus acid halide with formula RxP(O)Xy in which x=1 or 2, y=3?x, X being a halogen and R designating at least one organic alkyl, aryl or aryl-alkyl group. Non-exhaustive applications for the hybrid organic-inorganic material obtained by the process of the invention are in the fields of anti-corrosion, lubrication, microelectronics, nanotechnologies, composite materials, heterogeneous catalysis, supported catalysis, depollution and biomedical applications.
    Type: Grant
    Filed: July 6, 2007
    Date of Patent: August 21, 2012
    Assignee: IFP Energies Nouvelles
    Inventors: Renaud Revel, Florence Brodard-Severac, Gilles Guerrero, Hubert Mutin, Alain Forestiere, Alexandra Chaumonnot
  • Patent number: 8231743
    Abstract: Improved compositions and processes for zincating magnesium and magnesium alloy substrates. An aqueous zincating composition having a pH of from about 8 to about 11 and including zinc ions, a complexing agent, fluoride ions and a reducing agent. A non-electrolytic process for zincating a magnesium or magnesium alloy substrate, including immersing the substrate in the non-electrolytic aqueous zincating composition for a time sufficient to deposit a zincate on the substrate. A non-electrolytic process for zincating a magnesium or magnesium alloy substrate, including preparing a aqueous non-electrolytic composition comprising zinc ions, a complexing agent, fluoride ions and a pH in the range from about 8 to about 11; adding to the composition an amount of a reducing agent sufficient to improve deposition of zincate on the magnesium or magnesium alloy substrate; and immersing the substrate in a composition for a time sufficient to deposit the zincate on the substrate.
    Type: Grant
    Filed: October 22, 2009
    Date of Patent: July 31, 2012
    Assignee: Atotech Deutschland GmbH
    Inventors: Jacob Grant Wiles, Nayan H. Joshi
  • Publication number: 20120183775
    Abstract: Disclosed is a process which comprises bringing an acidic organic substance or phosphoric acid into contact with a metal to form, on the surface of the metal, a layer that contains either an organic acid salt formed from both the acidic organic substance and the metal or a phosphoric acid salt formed from both the phosphoric acid and the metal. In the process, the layer can be selectively formed only on the surface of the metal. When the process is applied to the production of core-shell particles, neither agglomeration of the particles nor viscosity increase of the fluid occurs, while when the process is applied to the production of a covered metal-wiring circuit board, the layer can be selectively formed only in the metal area to be covered.
    Type: Application
    Filed: October 8, 2010
    Publication date: July 19, 2012
    Inventors: Yoichi Shinba, Shoichi Niizeki, Toshihisa Nonaka
  • Publication number: 20120080121
    Abstract: A method for passivating metallic surfaces, wherein the surface is contacted with an aqueous composition comprising at least one water-soluble polymer (X) comprising acidic groups and with at least one surfactant (T) based on alkoxylated alcohols, the pH of the composition being in the range from 0.5 to 5, enables durable protection of the surface.
    Type: Application
    Filed: October 4, 2011
    Publication date: April 5, 2012
    Applicant: BASF SE
    Inventors: Guido Vandermeulen, Achim Feßenbecker, Bernd Laubusch, Helmut Witteler, Jürgen Tropsch
  • Patent number: 8075708
    Abstract: It is an object of the present invention to provide a pretreatment method for coating, which does not limit a coating method, places a less burden on the environment and can apply good chemical conversion treatment to all metals such as iron, zinc, aluminum and so on. A pretreatment method for coating comprising treating a substance to be treated by a chemical conversion coating agent to form a chemical conversion coat, wherein the chemical conversion coating agent comprises: at least one kind selected from the group consisting of zirconium, titanium and hafnium; fluorine; and at least one kind selected from the group consisting of amino group-containing silane coupling agents, hydrolysates thereof and polymers thereof.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: December 13, 2011
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Masahiko Matsukawa, Kazuhiro Makino, Toshiaki Shimakura, Masanobu Futsuhara, Jiping Yang
  • Patent number: 8070886
    Abstract: A treatment solution that is used to form a chemical coating of trivalent chromium free of hexavalent chromium having uniform black appearance and good corrosion resistance on the surface of zinc or zinc alloy and that attains prolongation of treatment bath lifetime; and a method of forming a black trivalent chromium chemical coating on the surface of zinc or zinc alloy. There is provided a treatment solution for forming of a black trivalent chromium chemical coating on zinc or zinc alloy, comprising trivalent chromium ions, a chelating agent capable of forming a water-soluble complex with trivalent chromium, zinc ions, a sulfur compound and phosphite ions.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: December 6, 2011
    Assignee: Dipsol Chemicals Co., Ltd.
    Inventors: Manabu Inoue, Satoshi Yuasa
  • Patent number: 7964030
    Abstract: A vanadate solution for conversion treating of surface of a magnesium alloy workpiece contains 8.20×104 to 8.20×10?2 mol/liter of metavanadate ion, 1.18×104 to 1.18×10?2 mol/liter of a polyhydroxylated aromatic compound, and balance of water. The pH value of the vanadate solution exceeds 1 and is less than 4. A method for preparing the vanadate solution is also provided.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: June 21, 2011
    Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Isao Nakatsugawa, Wu-Bin Li, Bin-Lung Ou
  • Patent number: 7942983
    Abstract: An exemplary phosphating solution is used for conversion treating a surface of a magnesium alloy workpiece. The phosphating solution includes: 2.89 gram/liter to 8.67 gram/liter of phosphoric acid, 0.3 gram/liter to 1.0 gram/liter of carbamide, 0.39 gram/liter to 1.56 gram/liter of nitric acid, 6 gram/liter to 30 gram/liter of manganese dihydrogen phosphate, and 0.2 gram/liter to 0.6 gram/liter of tannin. A method for conversion treating a surface of a magnesium alloy workpiece is also provided.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: May 17, 2011
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Sheng-En Hsu, Yong Liu, Fei-Xiang Li, Zhao Jin
  • Patent number: 7909944
    Abstract: A surface conditioning composition is provided in which a titanium phosphate compound can be stored in the state of a dispersion liquid for a long period of time while being stably present in the dispersion liquid, with favorable stability also in the bath, and with the composition being capable of forming a conversion coating film in a sufficient amount of the film even in the case of application to conversion resistant metal materials such as high-tensile steel sheets.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: March 22, 2011
    Assignee: Chemetall GmbH
    Inventors: Toshio Inbe, Yusuke Wada, Masahiko Matsukawa, Kotaro Kikuchi
  • Patent number: 7905964
    Abstract: Process for the passivation of metallic surfaces, in particular of strip metals, by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and at least one wax.
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: March 15, 2011
    Assignee: BASF SE
    Inventors: Helmut Witteler, Walter Bertkau, Thomas Heidenfelder, Alexander Göthlich
  • Publication number: 20110030850
    Abstract: A bath containing nickel ions and formic acid is injected into a film-forming aqueous solution flowing in a circulation pipe connected to feed water pipe made of carbon steel in a BWR plant. This film-forming aqueous solution is supplied into the feed water pipe through the circulation pipe, and then, a nickel metal film is formed on an inner surface of the feed water pipe. After the nickel metal film is formed, a film-forming aqueous solution containing iron (II) ions, formic acid, nickel ions, hydrogen peroxide, and hydrazine is supplied to the feed water pipe. A nickel ferrite film is formed on the surface of the nickel metal film in the feed water pipe. Then, the nickel ferrite film is come into contact with water containing dissolved-oxygen at 150° C. or above to transform the nickel metal film into a nickel ferrite film. A thick nickel ferrite film is formed on the inner surface of the feed water pipe. Corrosion of the carbon steel member composing the plant can further reduce.
    Type: Application
    Filed: August 3, 2010
    Publication date: February 10, 2011
    Applicant: Hitachi-GE Nuclear Energy, Ltd.
    Inventors: Tsuyoshi ITO, Hideyuki Hosokawa, Yukio Hirama, Motoaki Sakashita, Makoto Nagase
  • Patent number: 7879158
    Abstract: The present invention relates to a passivating layer on a metal surface, obtainable by contacting the metal surface with a composition comprising a water-soluble nitrogenous polymer, to a surface composed of a metal surface and the passivating layer of the invention, to a process for forming a passivating layer on a metal surface, to the use of a composition comprising a water-soluble nitrogenous polymer to passivate a metal surface, and to a system on a metal surface that comprises a passivating layer of the invention and further coating films.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: February 1, 2011
    Assignee: BASF SE
    Inventors: Frank Dietsche, Helmut Witteler, Matthias Klüglein, Frank Klippel
  • Publication number: 20100314004
    Abstract: Aqueous acidic coating solutions containing a water soluble divalent zinc compound, a complex fluoride compound, and an organic inhibitor for improving the corrosion resistance and adhesive bonding characteristics of aluminum, aluminum alloys, anodic coatings and sacrificial coatings, are disclosed. Suitable organic inhibitors include oximes, such as salicylaldoxime, and/or quinolines, particularly 8-hydroxyquinoline, and mixtures thereof.
    Type: Application
    Filed: February 16, 2010
    Publication date: December 16, 2010
    Inventor: Alp Manavbasi
  • Patent number: 7811366
    Abstract: A metal surface treatment composition including at least one compound selected from the group consisting of a zirconium compound and a titanium compound, and an organosiloxane, which is a polycondensate of organosilane and has in a molecule thereof of at least two amino groups, in which the Degree of polycondensation of the organosiloxane is at least 40%, the content of at least one compound selected from the group consisting of the zirconium compound and the titanium compound is predetermined content, the content of the organosiloxane in the metal surface treatment composition is predetermined content, and the mass ratio of at least one element selected from the group consisting of the zirconium element and the titanium element contained in the zirconium compound and the titanium compound, respectively, to the silicon element contained in the organosiloxane is a predetermined ratio.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: October 12, 2010
    Assignees: Nippon Paint Co., Ltd., Chemetall GmbH
    Inventors: Toshio Inbe, Thomas Kolberg
  • Patent number: 7811391
    Abstract: This invention comprises an acidic aqueous solution for treating metal substrates to improve the adhesion bonding and corrosion protection of the metal surface which comprises effective amounts of water soluble trivalent chromium compounds, fluorozirconates, effective amounts of at least one corrosion inhibitors such as benzotriazole, fluorometallic compounds, zinc compounds, thickeners, surfactants, and at least about 0.001 mole per liter of the acidic solution of a polyhydroxy and/or carboxylic compound as a stabilizing agent for the aqueous solution.
    Type: Grant
    Filed: April 21, 2005
    Date of Patent: October 12, 2010
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Craig A. Matzdorf, William C. Nickerson, Jr.
  • Patent number: 7745008
    Abstract: A processing solution for forming a hexavalent chromium free, corrosion resistant trivalent chromate conversion film on zinc or zinc alloy plating layers comprises: trivalent chromium and oxalic acid in a molar ratio ranging from 0.5/1 to 1.5/1, wherein the trivalent chromium is present in the form of a water-soluble complex with oxalic acid; and cobalt ions, which do not form a hardly soluble metal salt with oxalic acid and are stably present in the processing solution without causing any precipitation; wherein the solution reacts with zinc when bringing it into contact with the zinc or zinc alloy plating to form a hexavalent chromium free, corrosion resistant, trivalent chromate conversion film containing zinc, chromium, cobalt, oxalic acid and silicon on the plating.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: June 29, 2010
    Assignee: Dipsol Chemicals Co., Ltd.
    Inventors: Katsuhide Oshima, Shigemi Tanaka, Manabu Inoue, Tomitaka Yamamoto
  • Patent number: 7662241
    Abstract: A corrosion-inhibiting composition for application to a metal substrate, such as aluminum or steel, and in connection with a paint, and the synthesis of the composition. The active inhibitor constituent of the composition can be selected from the group consisting of 2,5-dimercapto-1,3,4 thiadiazole (DMTD), 2,4-dimercapto-s-triazolo-[4,3-b]-1,3-4-thiadiazole, trithiocyanuric acid (TMT), and derivatives of DMTD and TMT, including various N— or S— and N, N—, S— and N—,S-substituted derivatives of DMTD, including salts of DMTD of the general formula: M(DMTD)n, where n=1,2 or 3, and M is a metal cation and preferably M=Zn(II), Bi(III), Co(II), Ni(II), Cd(II), Pb(II), Ag(I), Sb(III), Cu(II), Li(I), Ca(II), Sr(II), Mg(II), La(III), Ce(III), Pr(III), Al(III) or Zr(IV). DMTD, TMT, and their derivatives may also be combined with phosphates, molybdates, borates, silicates, tungstates, phosphotungstates, phosphomolybdates, cyanamides, carbonates, SiO2 and mixtures thereof.
    Type: Grant
    Filed: February 23, 2004
    Date of Patent: February 16, 2010
    Assignee: Wayne Pigment Corp.
    Inventor: John Sinko
  • Publication number: 20100010604
    Abstract: An implantable medical device is made more durable and long-lasting by providing a passivating layer or film on at least a portion of a metal or metal alloy outer surface of an electrically conducting device. An insulating layer is placed on the passivating layer or film. The passivation can be a chemical passivation, and is preferably an acid treatment.
    Type: Application
    Filed: August 10, 2006
    Publication date: January 14, 2010
    Inventor: Andreas Örnberg
  • Patent number: 7641744
    Abstract: A method for superfinishing a high density carbide steel component using chemically accelerated finishing is provided. The high density carbide steel component is vibrated in a vessel containing a plurality of media, with active chemistry being added to the vessel at a low flow rate. An active chemistry composition is also provided, consisting of one or more conversion coating agents having preferably a phosphate radical, and one or more chelating agents preferably including citric acid.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: January 5, 2010
    Assignee: REM Technologies, Inc.
    Inventor: Lane W. Winkelmann
  • Patent number: 7585379
    Abstract: A baking finishing formula comprise metallic zinc, metallic nickel, metallic aluminum, polyethylene glycol, a silane, fluoride-containing surfactants, corrosion inhibitors and a mixed-type additive.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: September 8, 2009
    Inventor: Pao-Nuan Su
  • Patent number: 7531051
    Abstract: The present invention is the method for surface treatment of a metal material containing iron and/or zinc, containing component (A) and component (B); where (A) is a compound containing at least one metal element selected from the group consisting of Ti, Zr, Hf and Si, (B) is a compound containing fluorine as a supplying source of HF, wherein the ratio K=A/B between the total mole weight A of metal elements of Ti, Zr, Hf and Si in the compound of component (A) and the mole weight B which when the total fluorine atoms in the fluorine-containing compound of component (B) is converted to HF is within the range of 0.06?K?0.18, and the concentration of component (A) indicated by the total mole concentration of metal elements of Ti, Zr, Hf and Si is within the region of 0.05 to 100 m mol/L. To the treating solution for surface treatment, at least one compound containing at least one metal element selected from the group consisting of Ag, Al, Cu, Fe, Mn, Mg, Ni, Co and Zn can be blended.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: May 12, 2009
    Assignees: Nihon Parkerizing Co., Ltd., Toyota Jidosha Kabushiki Kaisha, Daihatsu Motor Co., Ltd.
    Inventors: Takaomi Nakayama, Hiroyuki Sato, Tetsuo Ootsuki, Tadashi Matsushita, Eisaku Okada, Fumiya Yoshida, Katsuhiro Shiota
  • Patent number: 7510613
    Abstract: Metal surfaces are treated with acidic aqueous compositions to form conversion coatings. The acidic aqueous compositions contain fluorometallate anions, divalent and/or trivalent cations of certain elements such as zinc, phosphorus-containing inorganic oxyanions, phosphonate anions containing phosphorus atoms directly bonded to carbon atoms, and water-soluble and/or water-dispersible organic polymers and/or polymer-forming resins.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: March 31, 2009
    Assignee: Henkel AG & Co. KGaA
    Inventor: Kevin K. Meagher
  • Patent number: 7510612
    Abstract: The present invention disclosure provides a chemical conversion coating agent which places a less burden on the environment and can apply good chemical conversion treatment to all metals such as iron, zinc and aluminum, and a surface-treated metal obtained using the same.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: March 31, 2009
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Masahiko Matsukawa, Kazuhiro Makino, Toshiaki Shimakura