Patents by Inventor Robert E. Townend

Robert E. Townend 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 recovering proteinaceous matter from acid whey and tannery unhairing effluents
    Patent number: 4111803
    Abstract: Tannery unhairing waste and acid whey are mixed in proportions containing from 20 to 40% by volume of the tannery waste to spontaneously precipitate proteinaceous matter from both waste effluents and leave a relatively clean supernatant liquid. When the mixture is warmed to about 70.degree. C, all macromolecular components are quantitatively precipitated.
    Type: Grant
    Filed: June 3, 1977
    Date of Patent: September 5, 1978
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: Robert E. Townend