Patents by Inventor Alex J. Dean

Alex J. Dean 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).

  • Anti-static and loading abrasive coating
    Patent number: 4973338
    Abstract: A coated abrasive is disclosed that has been oversized with an anti-loading amount of a quaternary ammonium anti-static compound, comprising from about 15 to about 35 carbon atoms and a molecular weight not less than about 300, have been found to have a combination of anti-static, lubricity and anti-loading characteristics which provide improved abrading efficiency and longer abrading life.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: November 27, 1990
    Assignee: Carborundum Abrasives Company
    Inventors: Anthony C. Gaeta, Alex J. Dean