Patents by Inventor Alfred Alexander Gunkel

Alfred Alexander Gunkel 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: 3933672
    Abstract: Detergent compositions having an effective suds controlling agent comprising a silicone material which is substantially removed from contact with the surfactant component of the composition.
    Type: Grant
    Filed: July 23, 1973
    Date of Patent: January 20, 1976
    Assignee: The Procter & Gamble Company
    Inventors: Guiseppe Bartolotta, Nicolaas Tieme DE Oude, Alfred Alexander Gunkel