Patents by Inventor Andrew S. Lee

Andrew S. Lee 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).

  • Publication number: 20080193402
    Abstract: The present invention is directed to dual phase and single phase depilatory compositions and methods of using said compositions. More specifically, the present invention is directed to a dual phase composition for the removal of hair comprising a first acidic phase containing a thiol-based depilatory agent and a second alkaline phase containing a pH buffer. The present invention is also directed to a single phase depilatory composition comprising 2-aminoethanethiol and a pH buffer and an advantageous packaging means for said single phase depilatory composition.
    Type: Application
    Filed: May 25, 2006
    Publication date: August 14, 2008
    Inventors: Steven T. Adamy, Andrew S. Lee, Anna Kepa
  • Patent number: 4956170
    Abstract: This invention relates to a high alcohol content antimicrobial gel composition for frequent use in disinfecting the hands which possesses moisturizing and conditioning agents to counter the drying effects of the alcohol on the skin in manner similar to that provides by hand and body lotions. The gel compositions comprises from about 60-75% ethanol; about 0.4-2% of a thickening agent which is an addition polymer of acrylic acid crosslinked with an unsaturated polyfunctional agent; sufficient neutralizing agent such as diisopropanol amine to neutralize 15-100%, preferably 15-50%, of the carboxyl groups in the thickener; about 0.5-2.5% of a hydrocarbon emollient such as petrolatum; about 0.5-2% of a fatty ester emollient such as isopropyl palmitate; about 0.05-1% of a compatible surfactant such as ceteth-20; 0.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: September 11, 1990
    Assignee: S. C. Johnson & Son, Inc.
    Inventor: Andrew S. Lee