Patents by Inventor William H. Schnur

William H. Schnur 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).

  • Aqueous skin cleaner composition comprising propylene carbonate
    Patent number: 4508634
    Abstract: Composition suitable for removing paint, grease, dirt and other foreign materials from the skin. The composition comprises propylene carbonate, water, at least one organic cosolvent, at least one thickening agent, at least one neutralizing agent, and at least one surfactant. In a preferred embodiment, the composition further includes a mild abrasive, wood flour, to promote the cleaning action of the propylene carbonate.
    Type: Grant
    Filed: November 15, 1983
    Date of Patent: April 2, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Normita P. Elepano, William H. Schnur, Jens L. Jorgensen