Patents by Inventor Earl A. Koeble

Earl A. Koeble 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).

  • Pressure sensitive adhesive formulation
    Patent number: 4217434
    Abstract: The adhesion of acrylic pressure sensitive adhesives to plastic substrates is improved by the presence of the adhesive of an effective amount for such adhesion improvement, e.g., from about 0.3% to about 4.0%, by weight of the adhesive when in liquid form, of a monoalkyl acid phosphate.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: August 12, 1980
    Assignee: Stauffer Chemical Company
    Inventor: Earl A. Koeble