Patents by Inventor Marian T. Cummins

Marian T. Cummins 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).

  • Detergent composition containing encapsulated perfume
    Patent number: 4145184
    Abstract: A detergent composition contains perfume in the form of water-insoluble, friable microcapsules which become entrained in or on fabric during a laundering process and which release the perfume during manipulation of the dry fabric.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: March 20, 1979
    Assignee: The Procter & Gamble Company
    Inventors: Devin K. Brain, Marian T. Cummins