Patents by Inventor Alfons Hollander

Alfons Hollander 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).

  • Publication number: 20080196625
    Abstract: Lead-free nickel phosphorus dispersion alloy present on a metallic substrate surface, obtainable by electroless deposition in an electrolyte which contains 4 to 7 g/l of nickel ions; 15 to 40 g/l of hypophosphite; at least one stabiliser; 5 to 400 mg/l of an alkylaryl oxydialkyl benzyl ammonium chloride or a partially fluorinated betaine; 50 to 60 g/l of a carboxylic acid-containing complexing agent A; 5 to 40 g/l of a carboxylic acid-containing complexing agent B different from A; 4 to 10 g/l of dispersed particles which differ from the composition of the nickel/phosphorus alloy; and contains no boric acid or borates, and articles coated therewith.
    Type: Application
    Filed: September 26, 2005
    Publication date: August 21, 2008
    Applicant: AHC OBERFLACHENTECHNIK GMBH & CO. OHG
    Inventors: Doris Bialkowski, Alfons Hollander
  • Patent number: 6911269
    Abstract: Lead-free chemically produced nickel alloy containing nickel, phosphorus, bismuth and antimony, process for the production of such a nickel alloy by externally electroless metal deposition in an aqueous electrolyte and articles plated therewith.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: June 28, 2005
    Assignee: AHC Oberflachentechnik GmbH & Co.
    Inventors: Alfons Hollander, Heinz-Peter Becker
  • Publication number: 20040007472
    Abstract: To simplify polishing of an Ni—P film by using an electroless nickel plating bath added with a water-soluble lead compd. and water-soluble antimony or bismuth compd. as the electroless nickel plating bath.
    Type: Application
    Filed: April 18, 2003
    Publication date: January 15, 2004
    Inventors: Alfons Hollander, Heinz-Peter Becker