Patents Assigned to Dacral, S.A.
  • Use of MoOas corrosion inhibitor, and coating composition containing such an inhibitor
    Patent number: 7118807
    Abstract: The subject of the invention is the use of MoO3 as a corrosion inhibitor, and an anti-corrosion coating composition for metal parts, characterized in that it comprises:—at least one particulate metal;—an organic solvent;—a thickener;—a silane-based binder, preferably carrying epoxy functional groups;—molybdenum oxide (MoO3);—possibly a silicate of sodium, potassium or lithium, and;—water.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: October 10, 2006
    Assignee: Dacral, S.A.
    Inventors: Etienne Maze, Carmen Mocquery, Benoit Millet, Antonio Francisco Iandoli Espinosa
  • Method for forming metal parts by cold deformation
    Patent number: 6598441
    Abstract: The invention concerns a method for forming metal parts by cold deformation, consisting in: (i) mechanically depositing a metal zinc layer on the free surface of the blank of the part to be produced; and (ii) forming said part by plastic deformation.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: July 29, 2003
    Assignee: Dacral S.A.
    Inventors: David Cavaliere, Denis Begue
  • Anticorrosion coating composition with improved stability, and coated substrate
    Patent number: 4931074
    Abstract: The invention relates to an anticorrosion coating composition for a metal substrate, comprising at least:(a) a particulate metal,(b) chromic acid and/or one of its derivatives,(c) boric acid and/or one of its derivatives,(d) a pH regulator such as zinc oxide (ZnO) or cobalt carbonate (CoCO.sub.3),(e) a high-boiling solvent of the polyol or glycol ether type,(f) an organic cosolvent with a specified solubility parameter,(g) a defoaming solvent of the mineral spirit or naphtha type,(h) a system of nonionic surfactants comprising at least one water-soluble surfactant and a surfactant which is soluble in mineral spirit, and(i) water.It also relates to metal substrates covered with the anticorrosion coating resulting from heating after the application of the composition to the substrate.
    Type: Grant
    Filed: June 12, 1987
    Date of Patent: June 5, 1990
    Assignee: Dacral, S.A.
    Inventor: Gilbert Marguier
  • Anticorrosion coating composition with improved stability, and coated substrate
    Patent number: RE34707
    Abstract: The invention relates to an anticorrosion coating composition for a metal substrate, comprising at least:(a) a particulate metal,(b) chromic acid and/or one of its derivatives,(d) a pH regulator such as zinc oxide (ZnO) or cobalt carbonate (CoCO.sub.3),(e) a high-boiling solvent of the polyol or glycol ether type,(f) an organic cosolvent with a specified solubility parameter,(g) a defoaming solvent of the mineral spirit or naphtha type,(h) a system of nonionic surfactants comprising at least one water-soluble surfactant and a surfactant which is soluble in mineral spirit, and(i) water.It also relates to metal substrates covered with the anticorrosion coating resulting from heating after the application of the composition to the substrate.
    Type: Grant
    Filed: May 27, 1992
    Date of Patent: August 30, 1994
    Assignee: Dacral S.A.
    Inventor: Gilbert Marguier