Patents by Inventor Kathryn R. Tangney

Kathryn R. Tangney 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).

  • Fragrance release device containing a highly adsorptive copolymer
    Patent number: 4961532
    Abstract: A fragrance controlled release device including a container having at least two chambers, the two chambers being symmetrical and in the shape of an hourglass, a reduced and restricted channel for providing communication between the two chambers, the channel being of a diameter substantially less than the diameters of the two chambers, porous particulate carrier powder in one of the chambers, the one chamber being air impermeable and the other chamber being air permeable, and a fragrance contained and entrapped within the carrier powder.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: October 9, 1990
    Assignee: Dow Corning Corporation
    Inventor: Kathryn R. Tangney