Patents by Inventor Elman B. Myers, deceased

Elman B. Myers, deceased 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: 3953317
    Abstract: Compositions and methods for separating bituminous constituents from bituminum-bearing sands, commonly known as "tar sands" in which the composition comprises the product resulting from the addition of ammonium hydroxide with an aqueous solution of tannic acid the method comprising the efficient intermixing, preferably by agitation, of the said tar sands with said composition until the desired separation of the sand from the bituminous fraction is achieved, the rate of separation being increased by increasing the temperature of the composition, and separating the bituminous fraction from said composition.
    Type: Grant
    Filed: February 21, 1974
    Date of Patent: April 27, 1976
    Inventors: Elman B. Myers, deceased, by Marian M. Myers, administratrix