Patents Assigned to Chemetall GmbH
  • Publication number: 20160160055
    Abstract: The invention relates to a method for coating surfaces, to a corresponding coating, and to the use of the objects coated in accordance with said method. The invention relates to a method for coating metal surfaces of substrates, comprising or consisting of the following steps: I. providing a substrate having a cleaned metal surface, II. contacting and coating metal surfaces with an aqueous composition in the form of a dispersion and/or suspension, IX. optionally rinsing the organic coating, and X. drying and/or baking the organic coating or XI. optionally drying the organic coating and coating with a coating composition of the same type or a further coating composition before a drying process and/or baking process, wherein in step II the coating is performed with an aqueous composition in the form of a dispersion and/or suspension containing 2.5 to 45 wt % of at least one non-ionic stabilized binder and 0.1 to 2.0 wt % of a gelling agent, wherein the aqueous composition has a pH value in the range of 0.
    Type: Application
    Filed: July 10, 2014
    Publication date: June 9, 2016
    Applicant: Chemetall GMBH
    Inventors: Daniel Wasserfallen, Michael Schwamb, Aliaksandr Frenkel, Vera Sotke, Wolfgang Bremser, Martin Droll, Oliver Seewald, Ron Eilinghoff, Stephanie Gerold, Evgenija Niesen, Lars Schachtsiek, Manuel Traut
  • Patent number: 9358574
    Abstract: This invention relates to a method for phosphating metal surfaces in which the metal surfaces are treated with an aqueous phosphate and titanium-based colloidal activating agent prior to phoshating, wherein the activating agent comprises at least one water-soluble silicon compound having at least one organic group. The invention also relates to a corresponding activating agent.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: June 7, 2016
    Assignee: Chemetall GmbH
    Inventors: Thomas Kolberg, Eckart Schoenfelder, Olaf Dahlenburg, Manfred Walter
  • Patent number: 9327315
    Abstract: A process for producing a repair coating on at least one metallic surface that is coated with at least one corrosion protection coating A applied with at least one composition selected from the group of pretreatment compositions, of organic compositions and of silicon compound(s) containing compositions, whereby the at least one corrosion protecting coating A has been at least partially removed in the area Z, whereby a thin corrosion protecting coating B containing at least one silicon compound is applied with a solution or dispersion containing at least one silane, at least one silanol, at least one siloxane, at least one polysiloxane or any mixture of these (=“siloxane composition”) on at least a part of the area Z.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: May 3, 2016
    Assignee: CHEMETALL GMBH
    Inventors: Mats Eriksson, Manfred Walter
  • Patent number: 9283622
    Abstract: A method for manufacturing alloy powders based on titanium, zirconium and hafnium alloyed with the elements Ni, Cu, Ta, W, Re, Os, and Ir is described in which an oxide of Ti and Zr and Hf is mixed with a metal powder of the elements named and with a reducing agent, and wherein this mixture is heated in a furnace, optionally under a argonate atmosphere or, optionally under hydrogen atmosphere until the reducing reaction begins, the reaction product is leached and then washed and dried, wherein the oxide used has an average grain size of 0.5 to 20 ?m, a specific surface area according to BET of 0.5 20 m2/g and a minimum content of 94 wet. ?%. An easy to produce powder, in particular in relation to the ignition point and burning time, is produced.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: March 15, 2016
    Assignee: Chemetall GmbH
    Inventors: Ahmet Karaca, Bernd Sermond, Gerhard Wilfing
  • Patent number: 9254507
    Abstract: A process for producing a repair coating on at least one metallic surface that is coated with at least one corrosion protecting coating A applied with at least one composition selected from the group of pretreatment compositions, of organic compositions and of silicon compound(s) containing compositions, whereby the at least one corrosion protecting coating A has been at least partially removed in the area Z, whereby a thin corrosion protecting coating B containing at least one silicon compound is applied with a solution or dispersion containing a silane, a silanol, a siloxane, or a polysiloxane on at least a part of the area Z. A further corrosion protecting coating C may be applied.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: February 9, 2016
    Assignee: CHEMETALL GMBH
    Inventors: Mats Eriksson, Manfred Walter
  • Publication number: 20150361382
    Abstract: A method of using a silane additive in an aqueous cleaning composition, in an aqueous rinsing liquid and/or in an aqueous activation composition for preventing pinholes on zinc-containing metallic surfaces, wherein the silane content in at least one of these aqueous compositions is in a range of 0.001 to 5 g/l.
    Type: Application
    Filed: February 7, 2014
    Publication date: December 17, 2015
    Applicant: CHEMETALL GMBH
    Inventors: Martin MROCHEM, Jürgen SPECHT, Hardy WIETZORECK, Olaf DAHLENBURG
  • Patent number: 9175170
    Abstract: The invention relates to a method for coating a metallic surface with an aqueous composition for pretreating before applying another coating or for treating said metallic surface. In addition to water, the composition contains: a) at least one hydrolyzable or at least partially hydrolyzed silane; b) at least one metal chelate; c) at least one organic film former, and; d) at least one long-chain alcohol that serves as a film forming aid. The unsoiled, scoured, cleaned and/or pretreated metallic surface is brought into contact with the aqueous composition so that a film forms on the metallic surface, which is subsequently dried, compacted in part or completely by film formation and, if necessary, additionally hardened. The dried and, if necessary, additionally hardened film has a layer thickness ranging from 0.01 to 10 ?m. The invention also relates to corresponding aqueous compositions.
    Type: Grant
    Filed: February 25, 2004
    Date of Patent: November 3, 2015
    Assignee: Chemetall GmbH
    Inventors: Heribert Domes, Julia Schneider
  • Patent number: 9166227
    Abstract: A hydride anode containing aluminium of the formula (M1)m(M2)3?mAlH6, where M1 and M2 are an alkali element selected independently from one another from Li, Na and K; m is a number between 1 and 3; n is a number ?3, and galvanic elements, such as lithium batteries, containing as anodes said hydride anodes containing aluminum. Methods for the production of galvanic elements having hydride anodes containing aluminium is also provided.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: October 20, 2015
    Assignee: Chemetall GmbH
    Inventor: Ulrich Wietelmann
  • Patent number: 9163097
    Abstract: This invention relates to low-viscosity, concentrated complex solutions containing magnesium, which are produced by reacting a magnesium alkoside with a carboxylic acid halogenide in a hydrocarbon-based solvent, and to a method for producing the same.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: October 20, 2015
    Assignee: Chemetall GmbH
    Inventors: Ulrich Wietelmann, Jens Röder, Ute Emmel
  • Publication number: 20150232634
    Abstract: A surface treatment agent and a surface treatment method capable of imparting excellent corrosion resistance while enhancing adhesion between a surface of a metal substrate and a resin-containing layer. The surface treatment agent for treating a surface of a metal substrate includes an acrylic resin having a carboxyl group and a hydroxyl group, an oxazoline group-containing compound and metal particles containing at least one of Nb, Ca and Nd. The metal may be in the form of a niobium oxide sol.
    Type: Application
    Filed: October 7, 2013
    Publication date: August 20, 2015
    Applicant: Chemetall GmbH
    Inventors: Kazufumi Yasuda, Hidekimi Hirasawa, Kenji Tsuge, Akihiro Mizuno, Ryohei Shizuka
  • Patent number: 9096935
    Abstract: A surface conditioning composition for use in surface conditioning of a metal prior to being subjected to a phosphate-based chemical conversion treatment, in which the surface conditioning composition has a pH of 3 to 12, and includes at least one kind of zinc compound particles selected from the group consisting of zinc oxide particles, zinc hydroxide particles, and basic zinc carbonate particles; phosphoric acid and/or condensed phosphoric acid; and an amine compound having a specific structure and in which the zinc compound particles are dispersed and stabilized by the phosphoric acid and/or condensed phosphoric acid, and the amine compound.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: August 4, 2015
    Assignee: Chemetall GmbH
    Inventors: Toshio Inbe, Yusuke Wada, Masanobu Futsuhara
  • Patent number: 9093718
    Abstract: A crystalline, completely soluble lithium bis(oxalato)borate (LiBOB), to a method for producing the same and to the use of the lithium bis(oxalato)borate.
    Type: Grant
    Filed: July 3, 2008
    Date of Patent: July 28, 2015
    Assignee: Chemetall GmbH
    Inventors: Rainer Dietz, Ulrich Wietelmann, Uwe Lischka, Thorsten Buhrmester, Klaus Schade
  • Patent number: 9073120
    Abstract: A surface-passivated lithium metal, which has a composite top layer containing or consisting of at least two poorly soluble components containing lithium. Production of the surface-passivated lithium metal such that lithium metal below 180° C., thus in the solid state, is transformed into an inert, aprotic solvent with a passivating agent of the general formula Li[P(C2O4)?x/2Fx] where x=0, 2, or 4 is also disclosed.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: July 7, 2015
    Assignee: Chemetall GmbH
    Inventor: Ulrich Wietelmann
  • Publication number: 20150176136
    Abstract: The pretreatment agent for use before forming a coat by paint application of the present invention contains (A) one or more metal elements selected from a group consisting of zirconium, titanium and hafnium, (B) fluorine, (C) one or more coupling agents selected from an amino group-containing silane coupling agent, its hydrolyzate, and its polymer, and (D) a component of at least one of an allylamine and a polyallylamine, in which the ratio by mass of the coupling agent (C) to the component (D), (C/D) is 1 or more. The coating method by paint application of the present invention includes a chemical conversion treatment step of chemically treating a metal substrate with the pretreatment agent, and a step of forming a coat by paint application on the chemically-treated metal substrate.
    Type: Application
    Filed: October 12, 2012
    Publication date: June 25, 2015
    Applicant: CHEMETALL GMBH
    Inventors: Teruzo Toi, Minoru Inoue
  • 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
  • Patent number: 9017582
    Abstract: The invention relates to a novel process for preparing lithium sulfide and to the use thereof, wherein a reaction of lithium-containing strong bases with hydrogen sulfide is undertaken in an aprotic organic solvent within the temperature range from ?20 to 120° C. under inert conditions. The lithium sulfide obtained by the process is used as a positive material in a galvanic element or for the synthesis of Li ion-conductive solids, especially for the synthesis of glasses, glass ceramics or crystalline products.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: April 28, 2015
    Assignee: Chemetall GmbH
    Inventors: Peter Rittmeyer, Ulrich Wietelmann, Uwe Lischka, Dieter Hauk, Bernhard Füger, Armin Stoll, Dirk Dawidowski
  • Publication number: 20150079277
    Abstract: A method and composition for coating surfaces, a corresponding coating and the use of objects coated according to said method. A cleaned, metallic surface is contacted with an aqueous composition that is a dispersion or suspension, and drying and/or baking the organic coating or optionally, drying the organic coating and coating with an equivalent or additional coating composition prior to a drying and/or baking. The aqueous composition has a pH of 4 to 11 and contains an anionic polyelectrolyte in a quantity of 0.01 to 5.0 wt. % relative to the total mass of the composition, which may have a solids content of from 2 to 40 wt. %. The solids have an average particle size from 10 to 1000 nm. A coating forms on the basis of an ionogenic gel which binds cations released from the metallic surface that originate from a pretreatment stage or from the contacting.
    Type: Application
    Filed: February 7, 2013
    Publication date: March 19, 2015
    Applicant: CHEMETALL GMBH
    Inventors: Daniel Wasserfallen, Michael Schwamb, Aliaksandr Frenkel, Vera Sotke, Wolfgang Bremser, Martin Droll, Oliver Seewald, Ron Eilinghoff, Stephanie Gerold, Evgenija Niesen
  • Publication number: 20150065599
    Abstract: A method for curing a mixture of a matrix and a curing agent based on sulfur-containing polymers on command and so rapidly that a tack-free surface results. A method for coating a substrate with the composition and of curing a sealant is also provided. The matrix and curing agent containing sulfur-containing polymers. The mixture is an uncured mixture with an isocyanate content, and the matrix is uncured and contains a mercaptan-terminated base polymer based on at least one polyether, polythioether, polysulfide or copolymers thereof. The uncured matrix, the curing agent, or both contain at least one photoinitiator based on sterically-inhibited tertiary amines. The mixture cures in the temperature range of ?10 to +70° C. after the high-energy actinic radiation is applied. Corresponding matrices A, mixtures B, curing agents, sealant systems, and substrates, e.g., aircraft are contemplated.
    Type: Application
    Filed: April 9, 2013
    Publication date: March 5, 2015
    Applicant: CHEMETALL GMBH
    Inventors: Miroslav Kralev, Björn Sievers, Peter Bons, Francisco Diez
  • Patent number: 8956991
    Abstract: A concentrated solution of mixed alkaline-earth alkoxide compounds M(OCH2R6)2-x(OR7)x and an aluminum compound Al(OCH2R6)3-y(OR7)y, in aprotic solvents, wherein M is an alkaline-earth metal selected from among Mg, Ca, Ba, Sr; OCH2R6 is an alkoxide group comprising at least 3 and at most 40 C atoms and having a branch at the 2-position relative to the O-function, in other words R6 is CHR8R9, wherein R8, R9 are alkyl groups C1-C18 independently of each other; R7 is an alkyl group having 2-15 C atoms that is either linear or has a branch at ?the 3-position; and the sum of x and y is a number between 0.01 and 0.8.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: February 17, 2015
    Assignee: Chemetall GmbH
    Inventors: Ulrich Wietelmann, Ute Emmel, Jens Röder, Martin Steinbild, Kay Papstein
  • Patent number: 8956699
    Abstract: The invention relates to a method for preparing metal workpieces for cold forming by applying a lubricant layer either to a metal surface or to a metal surface which has been pre-coated with e.g., a conversion coating. The lubricant layer is formed by contacting the surface with an aqueous lubricant composition which has a content in at least two waxes having distinct properties and a content in organic polymer material, the organic polymer material used predominantly being monomers, oligomers, co-oligomers, polymers and copolymers based on ionomer, acrylic acid/methacrylic acid, epoxide, ethylene, propylene, styrene, urethane, the ester or salt thereof. The invention to the corresponding lubricant composition, to the lubricant layer produced thereof and to its use.
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: February 17, 2015
    Assignee: Chemetall GmbH
    Inventors: Uwe Rau, Klaus-Dieter Nittel