Patents by Inventor Raymond L. Wetzel

Raymond L. Wetzel 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).

  • Aqueous magnesium treatment composition for metals
    Patent number: 4385096
    Abstract: Described is an aqueous base coat composition utilizing magnesium ion preferably in conjunction with at least some compounds from the group hydrofluoric acid, phosphoric acid, tannic acid, and nitric acid and exhibiting a pH of less than 7. The anti-corrosion and adhesive properties of this base coating composition allow it to be further coated with organic film formers, varnishes, lacquers, inks, etc. to form a finished product which is resistant to corrosives, humidity, impact problems, and chipping.
    Type: Grant
    Filed: January 2, 1981
    Date of Patent: May 24, 1983
    Assignee: Occidental Chemical Corporation
    Inventor: Raymond L. Wetzel, deceased
  • Electrical resistance coating for steel
    Patent number: 4316751
    Abstract: Disclosed is a process for applying an electrical insulating coating onto a ferrous metal surface and the ferrous metal surface with the coating thereon. The insulating coating comprises phosphate and nitrate applied in a thin film of from about 200 mg to about 400 mg coating weight per square foot of ferrous metal surface coated.
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: February 23, 1982
    Assignee: Hooker Chemicals & Plastics Corp.
    Inventors: Thomas J. Prescott, Raymond L. Wetzel