Patents by Inventor Abdol R. Ebrat

Abdol R. Ebrat 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).

  • Method of paint sludge conversion for disposal
    Patent number: 5004550
    Abstract: A method of paint sludge conversion and sludge removal from a sump pit for disposal is provided which is particularly adapted for use with paint waste sludge derived from wet spray booth operations. The method involves blending with the starting sludge caustic, oil and emulsifiers. Water may be added to achieve a desired water to total solids weight ratio. The product is a pumpable liquid disperse system which is easily charged to tankers or the like for pump out from the sludge pit.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: April 2, 1991
    Assignee: Nalco Chemical Company
    Inventors: John A. Beckman, Shu-Jen Huang, Abdol R. Ebrat