Patents by Inventor Dawn T. Krawczak

Dawn T. Krawczak 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).

  • Systems for delayed release of bleaching agents
    Patent number: 4725378
    Abstract: Novel compositions useful in supplying bleach over a period of time are produced by contacting a polycarboxylic acid, a second polymeric compound, and a chlorine-releasing agent under the proper conditions.
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: February 16, 1988
    Assignee: The Dow Chemical Company
    Inventor: Dawn T. Krawczak