Patents by Inventor Graeme G. Strathdee

Graeme G. Strathdee 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).

  • Method for heavy-water production by H.sub.2 S-H.sub.2 O chemical exchange process
    Patent number: 4125598
    Abstract: A heavy water production stage in a bithermal H.sub.2 S gas - H.sub.2 O liquid exchange plant wherein the cold tower is operated under temperature and pressure conditions such that H.sub.2 S in the liquid phase is formed and is maintained in the separation units (sieve trays or plates) of the cold tower. It has been found that the presence of liquid H.sub.2 S acts as an efficient anti-foaming agent.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: November 14, 1978
    Assignee: Atomic Energy of Canada Limited
    Inventor: Graeme G. Strathdee