Patents by Inventor Susan Greenfeder

Susan Greenfeder 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).

  • Bis-biguanide antiplaque dentifrice exhibiting reduced staining
    Patent number: 5958381
    Abstract: A dual component chlorhexidine dentifrice composition in which the first component contains a bis-biguanide antibacterial agent and the second component contains an abrasive incompatible with the bis-biguanide, wherein maximum antibacterial effect on dental tissue with reduced staining is achieved when the components and are physically separated prior to use and are mixed upon application to dental tissue.
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: September 28, 1999
    Assignee: Colgate Palmolive Company
    Inventors: John P. Curtis, Alexander J. Simone, Susan Greenfeder, Zehra Siddiqui
  • Tongue cleaning device
    Patent number: 5938673
    Abstract: A tongue cleaner or scraper, of an absorbent, flexible, loop pile which conforms to the surface of the tongue and which improves cleaning effectiveness, while providing a soft, consumer acceptable tongue feel.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: August 17, 1999
    Assignee: Colgate-Palmolive Company
    Inventors: Karen DePierro, Susan Greenfeder, Lisa Christina-Beck, John Curtis
  • Combined aerosol container and cap
    Patent number: D337259
    Type: Grant
    Filed: November 22, 1991
    Date of Patent: July 13, 1993
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Susan Greenfeder