Patents by Inventor Rhett M. Silverstein

Rhett M. Silverstein 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).

  • Methods of reducing or eliminating tooth staining by application of stain barrier films
    Patent number: 10376458
    Abstract: The invention includes methods for reducing or preventing the staining capacity of a compound to a tooth in a mammalian oral cavity, which includes affixing to the tooth surface a degradable film. The film comprises a starch polymer or copolymer that is formed by crosslinking a starch. The film degrades in the oral cavity within about 1 minute to about 70 minutes after affixation. In some embodiments, it may be preferred the crosslinking occurs in the presence of at least one (poly)carboxylic acid. It may be preferred that the starch selected is a retrograde starch, a starch that is chemically or physically modified to be amylase resistant or a starch that is derived naturally but exhibits amylase resistance.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: August 13, 2019
    Assignee: Hegemon Enterprises, LLC
    Inventors: Walter Holberg, Rhett M. Silverstein
  • Methods of Reducing or Eliminating Tooth Staining By Application of Stain Barrier Films
    Publication number: 20160000684
    Abstract: The invention includes methods for reducing or preventing the staining capacity of a compound to a tooth in a mammalian oral cavity, which includes affixing to the tooth surface a degradable film. The film comprises a starch polymer or copolymer that is formed by crosslinking a starch. The film degrades in the oral cavity within about 1 minute to about 70 minutes after affixation. In some embodiments, it may be preferred the crosslinking occurs in the presence of at least one (poly)carboxylic acid. It may be preferred that the starch selected is a retrograde starch, a starch that is chemically or physically modified to be amylase resistant or a starch that is derived naturally but exhibits amylase resistance.
    Type: Application
    Filed: September 14, 2015
    Publication date: January 7, 2016
    Inventors: Walter Holberg, Rhett M. Silverstein