Patents by Inventor Ronnie D. Presley

Ronnie D. Presley 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).

  • Paper conversion plant waste treatment process
    Patent number: 4816164
    Abstract: A method for treating the combined ink and starch wastes from a paper converting plant by adding a cationic polymer flocculation adjuvant to the wastewater to form a sludge and then treating the sludge with a cementitious material to yield a stabilized solid safe for disposal by landfill.
    Type: Grant
    Filed: September 28, 1987
    Date of Patent: March 28, 1989
    Assignee: Georgia-Pacific Corporation
    Inventor: Ronnie D. Presley