Patents by Inventor Hasso Kaiser

Hasso Kaiser 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).

  • Patent number: 5534129
    Abstract: In order to produce bright to brilliant, leveled copper-tin alloy coatings, galvanic baths are used which contain 1 to 60 g/l copper in the form of copper(I) cyanide, 1 to 50 g/l tin in the form of alkali stannate, 0 to 10 g/l zinc in the form of zinc cyanide, 1 to 200 g/l of one or several complex binders (e.g., oligosaccharides and/or polysaccharides), 1 to 100 g/l free alkali metal cyanide, 1 to 50 g/l free alkali metal hydroxide, 0 to 50 g/l alkali metal carbonate 0.01 to 5 g/l brightener (e.g., alkene sulfonate, alkyne sulfonate, pyridine compounds or sulfur-containing propane sulfonates) and 0 to 100 mg/l lead as lead(II) acetate or lead(II) sulfonate.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: July 9, 1996
    Assignee: Degussa Aktiengesellschaft
    Inventors: Gerd Hoffacker, Hasso Kaiser, Klaus Reissmueller, Guenter Wirth
  • Patent number: 4710224
    Abstract: Process for introducing bath components into electrolytic and currentless (electroless) baths for the deposition of metal for deposition of metal layers, especially for introducing reducing agents in currentless baths, characterized by the bath components being introduced are admixed by an inert gas flowing through the bath.
    Type: Grant
    Filed: May 6, 1987
    Date of Patent: December 1, 1987
    Assignee: DEGUSSA Aktiengesellschaft
    Inventor: Hasso Kaiser