Patents by Inventor Alan James Herd

Alan James Herd 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).

  • Smoking mixtures
    Patent number: 3943942
    Abstract: Tobacco substitutes containing alkaline inorganic matter such as to produce a slurry pH of 8.5 to 13, especially sodium carbonate producing a slurry pH of 9 to 10, and blends of such substitutes with tobacco.
    Type: Grant
    Filed: June 21, 1974
    Date of Patent: March 16, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Robert Craig Anderson, Alan James Herd