Patents by Inventor Laura Norton

Laura Norton 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).

  • Method and agents for preventing and reversing the staining of teeth
    Patent number: 5468777
    Abstract: The present invention relates to methods and agents for preventing and reversing the staining of teeth caused by the nonenzymatic browning of proteins in the oral cavity. Suitable agents for the inhibition of nonenzymatic browning may be formulated as rinses and toothpastes, and include cysteine and cysteine derivatives. These preparations may further include known anti-plaque agents, such as chlorhexidine.
    Type: Grant
    Filed: April 29, 1994
    Date of Patent: November 21, 1995
    Assignees: The Rockefeller University, Alteon Inc.
    Inventors: Dennis S. France, Anthony Cerami, Peter C. Ulrich, Laura A. Norton, David L. Neer
  • Collapsible cooler
    Patent number: D401479
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: November 24, 1998
    Inventors: Larsen B. Norman, Laura Norton