Patents by Inventor Ruth J. Blanco

Ruth J. Blanco 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).

  • Secondary alkyl sulfate-containing light duty liquid detergent compositions
    Patent number: H1559
    Abstract: The present invention relates to light duty liquid detergent compositions containing one or more secondary alkyl sulfate surfactant components.
    Type: Grant
    Filed: August 25, 1993
    Date of Patent: July 2, 1996
    Assignee: Shell Oil Company
    Inventors: Nelson E. Prieto, JanElsa E. Carty, Ruth J. Blanco, William W. Schmidt