Patents by Inventor Stephen Spiegelman

Stephen Spiegelman 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).

  • Water soluble, broad spectrum preservative system
    Patent number: 6447793
    Abstract: An effective broad spectrum system useful in an extended range of physical factors and/or composition elements in a cosmetic or personal care product for preservation is described by the present invention. The broad spectrum, water soluble preservative system of the present invention includes an acid or acid derivative, chlorphenesin and a solvent mixed with phenoxyethanol.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: September 10, 2002
    Assignee: The Collaborative Group, Ltd.
    Inventors: Duncan Aust, Stephen Spiegelman, Michael Ross
  • WATER SOLUBLE, BROAD SPECTRUM PRESERVATIVE SYSTEM
    Publication number: 20020009470
    Abstract: An effective broad spectrum system useful in an extended range of physical factors and/or composition elements in a cosmetic or personal care product for preservation is described by the present invention. The broad spectrum, water soluble preservative system of the present invention includes an acid or acid derivative, chlorphenesin and a solvent mixed with phenoxyethanol.
    Type: Application
    Filed: September 15, 1999
    Publication date: January 24, 2002
    Inventors: DUNCAN AUST, STEPHEN SPIEGELMAN, MICHAEL ROSS