Patents by Inventor Lars Kohlmann

Lars Kohlmann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PYROPHOSPHATE-BASED BATH FOR PLATING OF TIN ALLOY LAYERS
    Publication number: 20100300890
    Abstract: An aqueous cyanide-free electrolyte bath for plating of tin alloy layers on substrate surfaces comprising (i) a tin ion source and a source for another alloy element, characterised in that it further contains (ii) N-methyl pyrrolidone is described.
    Type: Application
    Filed: February 5, 2009
    Publication date: December 2, 2010
    Applicant: ATOTECH DEUTSCHLAND GMBH
    Inventors: Philip Hartmann, Lars Kohlmann, Heiko Brunner, Klaus-Dieter Schulz
  • Aqueous,alkaline,cyanide-free bath for the galvanic deposition of zinc and zinc alloy coatings
    Publication number: 20100236936
    Abstract: The invention relates to an aqueous, alkaline cyanide-free electrolyte bath for de-positing zinc and zinc alloy coatings on substrate surfaces comprising (a) a source for zinc ions and optionally a source for further metal ions, (b) hydroxide ions, (c) a polymer of general formula I which is soluble in the bath and (d) at least one pyridinium compound of general formula II or III. The electrolyte bath is suitable for the galvanic deposition of bright and even zinc and zinc alloy coatings.
    Type: Application
    Filed: June 21, 2007
    Publication date: September 23, 2010
    Applicant: Atotech Deutschland GmbH
    Inventors: Heiko Brunner, Lars Kohlmann, Ellen Habig, Konstantin Thom, Roland Vogel
  • Aqueous, alkaline, cyanide-free bath for the galvanic deposition of zinc alloy coatings
    Publication number: 20100155257
    Abstract: An aqueous, alkaline, cyanide-free electrolyte bath for deposition of zinc alloy layers on substrate surfaces is described, which contains cationic pyridinium compounds as brighteners and polyamines as complexing agents. The electrolyte bath is suitable for electroplating bright and even zinc alloy coatings.
    Type: Application
    Filed: June 21, 2007
    Publication date: June 24, 2010
    Applicant: Atotech Deutschland GmbH
    Inventors: Heiko Brunner, Lars Kohlmann, Roland Vogel, Konstantin Thom