Patents by Inventor Klaus P. Klos

Klaus P. Klos 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).

  • Process for chromating surfaces of zinc, cadmium and alloys thereof
    Patent number: 5368655
    Abstract: There is described a process for chromating an article formed of a metal selected from the group consisting of zinc, cadmium and alloys thereof, which includes immersing the article in a water solution of a soluble chromic oxalate complex at a pH of from 1.2 to 3.0.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: November 29, 1994
    Assignees: Alchem Corp., Frederick Gumm Chemical Co., Inc.
    Inventor: Klaus P. Klos