Patents by Inventor Heather Ann Schaeffer

Heather Ann Schaeffer 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).

  • Compositions comprising cyclodextrin derivatives
    Patent number: 6878695
    Abstract: A stable composition for removing unwanted molecules from a surface comprises low-degree of substitution cyclodextrin derivatives. The compositions are suitable for capturing unwanted molecules from inanimate surfaces, including fabrics, including carpets, and household surfaces such as countertops, dishes, floors, garbage cans, ceilings, walls, carpet padding, air filters, and the like, and from animate surfaces, including skin, hair, and the like. The compositions can further comprise cyclodextrin-compatible and -incompatible materials, and other optional ingredients.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: April 12, 2005
    Assignee: The Procter & Gamble Company
    Inventors: Ricky Ah-Man Woo, Hirotaka Uchiyama, Steven Reece, Dean Larry DuVal, Heather Ann Schaeffer
  • Air freshener
    Publication number: 20040223943
    Abstract: Air freshener products and methods for freshening air are disclosed. In some embodiments, the air freshening product may include a container for storing an air freshening composition that may contain a perfume composition or may contain a perfume composition in conjunction with a malodor counteractant. The container may contain a propellant such as a compressed gas, and a dispenser; and the air freshening composition.
    Type: Application
    Filed: May 5, 2003
    Publication date: November 11, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Ricky Ah-Man Woo, Robert Richard Dykstra, Carl Eric Kaiser, Heather Ann Schaeffer, Steven Louis Diersing, Joshua Daniel Joseph, Zaiyou Liu
  • Method of freshening air
    Publication number: 20040223871
    Abstract: Air freshener products and methods for freshening air are disclosed. In some embodiments, the air freshening product may include a container for storing an air freshening composition that may contain a perfume composition or may contain a perfume composition in conjunction with a malodor counteractant. The container may contain a propellant such as a compressed gas, and a dispenser; and the air freshening composition. The method of freshening air, in certain embodiments, delivers a consistent perfume release profile. If malodor counteractants are used, the method may also provide a reduction in malodors.
    Type: Application
    Filed: May 5, 2003
    Publication date: November 11, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Ricky Ah-Man Woo, Robert Richard Dykstra, Carl Eric Kaiser, Heather Ann Schaeffer, Steven Louis Diersing, Joshua Daniel Joseph, Zaiyou Liu
  • Compositions comprising cyclodextrin derivatives
    Publication number: 20010056080
    Abstract: A stable composition for removing unwanted molecules from a surface comprises low-degree of substitution cyclodextrin derivatives. The compositions are suitable for capturing unwanted molecules from inanimate surfaces, including fabrics, including carpets, and household surfaces such as countertops, dishes, floors, garbage cans, ceilings, walls, carpet padding, air filters, and the like, and from animate surfaces, including skin, hair, and the like. The compositions can further comprise cyclodextrin-compatible and -incompatible materials, and other optional ingredients.
    Type: Application
    Filed: May 15, 2001
    Publication date: December 27, 2001
    Inventors: Ricky Ah-Man Woo, Hirotaka Uchiyama, Steven Reece, Dean Larry DuVal, Heather Ann Schaeffer