Patents by Inventor Thomas Andrew Wetzel

Thomas Andrew Wetzel 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).

  • Aerosol antiperspirant containing emollients
    Patent number: 4045548
    Abstract: Organic compounds containing multiple ester groups are used in dry powder aerosol antiperspirant compositions to give greater antiperspirant effectiveness and act as a carrier for powder aluminum chlorhydroxide particles to the skin and to prevent clogging. The preferred esters are characterized by having from 12 to 16 carbon atoms and a ratio of ester groups to the number of carbon atoms of from about 0.125 to about 0.214. Diisopropyl adipate is most preferred.
    Type: Grant
    Filed: April 25, 1975
    Date of Patent: August 30, 1977
    Assignee: The Procter & Gamble Company
    Inventors: Wilmer Louis Luedders, Thomas Andrew Wetzel