Patents by Inventor Gordon Anson Towle

Gordon Anson Towle 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: 4051317
    Abstract: Xanthan gum is precipitated from its fermentation broth by adding to said raw broth an effective amount of a specified aluminum salt whereby the pH of the solution is lowered to below about 3.5 and thereafter increasing the pH into the range between about 3.5 and 4.5.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: September 27, 1977
    Assignee: Hercules Incorporated
    Inventor: Gordon Anson Towle