Patents by Inventor Randolph J. Wilkinson

Randolph J. Wilkinson 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).

  • Antiperspirant composition
    Patent number: 4110428
    Abstract: An aerosol antiperspirant composition of the type in which an antiperspirant agent such as aluminium chlorhydrate is suspended in a propellant medium, the medium containing a polyalkylene glycol for example a butoxymonoether of an ethylene oxide -- propylene oxide condensate, an ethylene oxide -- propylene oxide block copolymer or a polypropylene glycol. The effect of including a polyalkylene glycol is to substantially reduce the amount of stain which develops on clothing to which the antiperspirant becomes accidentally transferred.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: August 29, 1978
    Assignee: Lever Brothers Company
    Inventors: Johannes A. Kuhn, Randolph J. Wilkinson