Patents by Inventor Suren Aghajanian

Suren Aghajanian 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).

  • De-staining composition and apparatus
    Patent number: 6579378
    Abstract: The present invention is drawn to a method for de-staining a substrate that is stained with a dye by bringing the substrate into contact with a de-staining composition and absorbing the dye from the substrate with the de-staining composition, wherein the de-staining composition is a charcoal or ion-exchange resin absorbent incorporated in a semi-solid matrix which is a polyacrylamide or agar gel. With the method of the invention a stained substrate may be stained and de-stained in a single step. The present invention is further drawn to an apparatus for performing the method of de-staining the substrate.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: June 17, 2003
    Assignee: Suren Aghajanian
    Inventor: Suren Aghajanian