Inorganic Material Other Than Water Patents (Class 106/14.17)
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Patent number: 10913860Abstract: Provided is a coated metal sheet for automobile comprising: a metal sheet; and a coating film (?) present on at least one surface of the metal sheet. The coating film (?) contains an organic resin (A), an electrically conductive pigments (B), and anti-corrosion pigments (C), and a Martens micro-hardness HM at ?20° C. of the surface of the coating film (?) is 10 to 200 (mg/mm2) at 20 points or more when measured at 100 points, and a Martens micro-hardness HM at 40° C. of the surface of the coating film (?) is 200 to 200,000 (mg/mm2) at 5 points or more when measured at 100 points.Type: GrantFiled: September 30, 2015Date of Patent: February 9, 2021Assignees: NIPPON STEEL CORPORATION, NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.Inventors: Kensei Yuasa, Yoichiro Mori, Yusuke Wada, Mitsutaka Nambo
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Publication number: 20130295292Abstract: The present invention relates to an aqueous composition for pretreating a metallic surface before further coating or for treating said surface. The aqueous composition is obtained by adding a) at least [one] sodium, potassium, and/or ammonium water glass and b) at least one silane to water. The quantity ratio of a) to b), in each case including the resulting reaction products, is preferably in the range of 0.1:1 to 2:1.Type: ApplicationFiled: October 26, 2011Publication date: November 7, 2013Applicant: CHEMETALL GMBHInventors: Saule Bukeikhanova, Mathias Komander
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Chemical conversion treatment solution for a steel material and chemical conversion treatment method
Patent number: 8535456Abstract: 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: GrantFiled: January 11, 2011Date of Patent: September 17, 2013Assignee: Henkel AG & Co. KGaAInventors: Hitoshi Ishii, Yasuhiko Nagashima -
Patent number: 7578878Abstract: A pigment grade corrosion inhibitor and a method of applying the inhibitor is disclosed. The inhibitor is comprised of a host species comprised of an inorganic compound having a layered structure and a guest species comprised an anionic species of a weak acid. The host species is preferably a double hydroxide having a structure of: [M(II)1?xM(III)x(OH?)2][An?x/n.yH2O], where M(II) is a divalent metal cationic species, M(III) is a trivalent metal cationic species, and An? is an anionic species, preferably with the species present in a range of: 0.2?M(III)/(M(II)+M(III))?0.4.Type: GrantFiled: June 25, 2004Date of Patent: August 25, 2009Assignee: Wayne Pigment Corp.Inventors: John Sinko, Martin W. Kendig
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Patent number: 7476445Abstract: It is an object of the present invention to provide an organic coating-treated metal sheet, having a coat capable of satisfying all the corrosion resistance, alkali resistance, solvent resistance, anti-scratch property and adhesion requirements which the conventional nonchromate type coating technologies have been difficult to meet. A surface-treated metal sheet with a coat comprising 50; to 90% by weight of a crosslinked resin matrix (A) and 10 to 50% by weight of an inorganic rust preventive (B) as formed on the metal sheet surface, wherein the crosslinked resin matrix (A) is formed by the reaction between a water-borne resin and a crosslinking agent and has an acid value of 0 to 30 due to carboxylic acid groups not neutralized by an alkali metal and a hydroxyl value of 5 to 50.Type: GrantFiled: October 2, 2006Date of Patent: January 13, 2009Assignees: Nippon Steel Corporation, Nippon Paint Co., Ltd.Inventors: Koichi Saito, Motohiro Sasaki, Atsushi Morishita, Akira Takahashi, Hiroshi Kanai, Masahiro Fuda
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Patent number: 7393395Abstract: The present invention provides a surface-treating agent which improves heat resistance, adhesiveness to resin and solder wettability. The surface-treating agent for metal contains a tetrazole derivative represented by the following formula and/or a salt thereof, wherein R1 and R2 each independently represent a hydrogen atom, a halogen atom, or an alkyl group or an aryl group, etc., which each have a carbon number of not more than 10, and a group having a halogen atom, a hydroxyl group, a carboxyl group, an amino group or a mercapto group added thereto, or represent an amino group, a mercapto group, a hydroxyl group or a carboxyl group; and R3 represents a bond or an alkylene group, etc.Type: GrantFiled: January 21, 2005Date of Patent: July 1, 2008Assignee: Nippon Mining & Metals Co., Ltd.Inventors: Akihiro Aiba, Tomoharu Mimura
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Patent number: 7306663Abstract: A liquid corrosion inhibitor comprising a primary, secondary, tertiary or mixed amine complexing agent and a carboxylic acid complexing agent, and may further contain a pH adjusting agent and an antifreeze agent, which is capable of providing both short-term and long-term corrosion protection on ferrous and non-ferrous metal substrates and protection from flash rusting commonly associated with ferrous metal substrates, without adversely affecting high gloss in coatings.Type: GrantFiled: August 5, 2003Date of Patent: December 11, 2007Assignee: Halox, division of Hammond Group, Inc.Inventors: Tony Gichuhi, Wendy Novelli
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Patent number: 7186305Abstract: A process is described for treating metal surfaces with a composition comprising an oxidizer, an acid, a corrosion inhibitor, an unsaturated alkyl substituted with an aromatic or non-aromatic cyclic groups, and optionally but preferably a source of adhesion enhancing species selected from the group consisting of molybdates, tungstates, tantalates, niobates, vanadates, isopoly or heteropoly acids of molybdenum, tungsten, tantalum, niobium, vanadium, and combinations of any of the foregoing, an organic nitro compound, and a source of halide ions in order to increase the adhesion of polymeric materials to the metal surface.Type: GrantFiled: November 26, 2002Date of Patent: March 6, 2007Inventor: Donald Ferrier
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Patent number: 6712995Abstract: The present invention provides methods and compositions for the reduction of the corrosion rate of already corroding steel reinforcements embedded in a hardened concrete structure as well as for the protective corrosion inhibition of uncorroded steel reinforcements embedded in a hardened concrete structure exposed to aggressive environments. The inventive new compositions employed for the novel method are essentially based on one or more amino- and/or hydroxyalkylamino compound(s), which are partially or completely neutralized with one or more inorganic acid(s) and/or derivatives thereof and/or aliphatic carboxylic- and/or aromatic carboxylic acid(s), one or more surfactant(s) and one or more water-based or water-thinnable water repellent agent(s) selected from the group of organosilicones.Type: GrantFiled: May 1, 2002Date of Patent: March 30, 2004Assignee: Sika Schweiz AGInventors: Beat Marazzani, Theodor A. Bürge, Urs Mäder
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Patent number: 6569264Abstract: The present invention provides a corrosion inhibitor composition for magnesium or magnesium alloys which contains as an effective component, at least one compound selected from among aromatic carboxylic acids and salts thereof as an effective component. Further, the present invention provides a surface treating agent for magnesium and/or magnesium alloy components which contains a phosphate, at least one compound selected from among aromatic carboxylic acids and salts thereof, and further, as required, at least one compound selected from among pyrazole compounds and triazole compounds,and surface-treating method using the surface treating agent.Type: GrantFiled: July 3, 2001Date of Patent: May 27, 2003Assignee: Otsuka Kagaku Kabushiki KaishaInventors: Kazunori Fukumura, Takahiko Shiraishi
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Patent number: 6562149Abstract: The invention concerns processes and solutions for the preliminary treatment of copper surfaces which are subsequently to be firmly bonded to organic substrates. The solution is used, in particular, for firmly bonding laminated multilayered printed circuit boards and for firmly bonding resists to the copper surfaces of printed circuit boards.Type: GrantFiled: August 22, 2000Date of Patent: May 13, 2003Assignee: Atotech Deutschland GmbHInventors: Udo Grieser, Heinrich Meyer
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Patent number: 6402990Abstract: The present invention provides methods and compositions for the reduction of the corrosion rate of already corroding steel reinforcements embedded in a hardened concrete structure as well as for the protective corrosion inhibition of uncorroded steel reinforcements embedded in a hardened concrete structure exposed to aggressive environments. The inventive new compositions employed for the novel method are essentially based on one or more amino- and/or hydroxyalkylamino compound(s), which are partially or completely neutralized with one or more inorganic acid(s) and/or derivatives thereof and/or aliphatic carboxylic- and/or aromatic carboxylic acid(s), one or more surfactant(s) and one or more water-based or water-thinnable water repellent agent(s) selected from the group of organosilicones.Type: GrantFiled: May 11, 1999Date of Patent: June 11, 2002Assignee: Sika AG, Vorm, Kaspar Winkler & Co.Inventors: Beat Marazzani, Theodor A. Bürge, Urs Mäder
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Patent number: 6383272Abstract: A composition and process are described which are useful in treating metal surfaces, which composition comprises an oxidizer, an acid, a corrosion inhibitor, an organic nitro compound and, optionally, a benzotriazole with an electron withdrawing group in the 1-position which electron withdrawing group is a stronger electron withdrawer than a hydrogen group, optionally, a source of adhesion enhancing species selected from the group consisting of molybdates, tungstates, tantalates, niobates, vanadates, isopoly or heteropoly acids of molybdenum, tungsten, tantalum, niobium, vanadium, and combinations of any of the foregoing and optionally but preferably a source of halide ions. The composition and process are useful in increasing the adhesion of metal surfaces to polymeric substances and in preserving said adhesion through temperature variation.Type: GrantFiled: June 8, 2000Date of Patent: May 7, 2002Inventor: Donald Ferrier
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Patent number: 6379474Abstract: An acidic aqueous phosphating solution is presented having 0.2 to 3 g/l of zinc ions, 3 to 50 g/l of phosphate ions expressed as PO4−3, and 0.05 to 4 g/l of an organic N-oxide containing a saturated, unsaturated or aromatic 5- or 6-membered ring system, where the N atom of the N-oxide is part of said ring system, and where the ratio by weight of phosphate ions to zinc ions is from 3.7 to 30:1. The solution is free of hydroxylamine and useful in phosphating metal surfaces.Type: GrantFiled: January 10, 2001Date of Patent: April 30, 2002Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Bernd Mayer, Peter Kuhm, Pietro Balboni, Markus Senner, Horst-Dieter Speckmann, Juergen Geke, Jan-Willem Brouwer, Annette Willer
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Patent number: 6248701Abstract: A combination of sulfur-free azoles, preferably benzotriazole and tolyltriazole, with sulfur-containing azoles, preferably 2-mercaptobenzothiazole or mercaptobenzimidazole, prevents discoloration, staining, or corrosion of metal surfaces being coated with an organic protective coating from aqueous dispersion or solution.Type: GrantFiled: May 23, 1996Date of Patent: June 19, 2001Assignee: Henkel CorporationInventor: Richard J. Church