Patents by Inventor Alan C. Shaw

Alan C. Shaw 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).

  • Process for the manufacture of sodium carbonate
    Patent number: 3969488
    Abstract: Sodium carbonate is formed by reaction between particulate sodium aluminate in solid form, and carbon dioxide and water vapor in gaseous form. The sodium carbonate is readily separated from by-product hydrated alumina for recovery in pure form, or the dry product of the reaction may be employed directly where a dry sodium carbonate feed is desired, with the hydrated alumina being filtered off prior to further processing.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: July 13, 1976
    Assignee: The Ontario Paper Company Limited
    Inventor: Alan C. Shaw