Patents by Inventor Barry Smithies

Barry Smithies 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).

  • Patent number: 4183911
    Abstract: A non-staining antiperspirant spray powder comprises an antiperspirant powder, such as aluminum chlorohydrate, an encapsulated surface active material, such as a liquid, nonionic surface active agent, with the encapsulating material about it being soluble or disruptable by aqueous media and insoluble in the propellant, and a propellant fluid under pressure. The composition is discharged from a container as a powder spray, preferably onto the axilla, by the opening of a discharge valve. The presence of the surface active agent diminishes staining of clothing contacted by the antiperspirant and its encapsulation in a soluble encapsulant allows the gradual release of surface active agent as the aluminum chlorohydrate is activated by the presence of perspiration, while also maintaining the dry character of the powder spray and preventing or diminishing mucous membrane irritation during spraying.
    Type: Grant
    Filed: May 24, 1974
    Date of Patent: January 15, 1980
    Assignee: Colgate-Palmolive Company
    Inventors: Barry Smithies, Alan Straw