Patents by Inventor Helen B. Tordil

Helen B. Tordil 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).

  • Uncomplexed cyclodextrin solutions for odor control on inanimate surfaces
    Patent number: 5593670
    Abstract: The present invention relates to a stable, aqueous odor-absorbing composition, for use on inanimate surfaces. The composition comprises from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin, from about 0.01% to about 1%, by weight of the composition of low molecular weight polyols. Optionally, but preferably, an effective amount of solubilized, water-soluble, antimicrobial preservative, having a water-solubility of greater than about 0.3% and perfume. The composition is essentially free of any material that would soil or stain fabric.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: January 14, 1997
    Assignee: The Proctor & Gamble Company
    Inventors: Toan Trinh, Jerome P. Cappel, Philip A. Geis, Mark L. McCarty, David Pilosof, Susan S. Zwerdling, Helen B. Tordil
  • Liquid fabric softener with insoluble particles stably suspended by soil release polymer
    Patent number: 5207933
    Abstract: Fabric softening compositions, preferably in liquid form, for use in the rinse cycle of home laundry operations are improved by: (a) using certain protected water sensitive materials, especially particulate complexes of cyclodextrins and perfumes, which are protected in fabric softening compositions and/or detergent compositions, by e.g.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: May 4, 1993
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Helen B. Tordil