Patents by Inventor Guy E. Blackmar

Guy E. Blackmar 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).

  • Apparatus for production of Grignard reagent
    Patent number: 4032298
    Abstract: Grignard reagent is produced continuously in a reactor vessel, overflowing into a holding vessel from which the product is continuously removed; the reaction proceeds in the presence of an excess of magnesium constantly maintained, and a portion of the reacting mixture is withdrawn, circulated to a heat exchanger and returned to the reactor vessel.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: June 28, 1977
    Assignee: Nalco Chemical Company
    Inventors: Guy E. Blackmar, Robert C. Wight, Richard B. Smith