Patents by Inventor Howard Victor Andrew Beedle

Howard Victor Andrew Beedle 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).

  • Siloxanes
    Patent number: 4077994
    Abstract: A method of producing a cyclic siloxane by silylating a cyclic silicate with a chlorosilane characterized by reacting the silicate with the chlorosilane in a ketone which is a solvent for the chlorosilane, in the presence of a minor molar proportion with respect to the chlorosilane, of a hydroxy compound soluble in the ketone, and purifying the resulting reaction mixture to recover the cyclic siloxane therefrom.
    Type: Grant
    Filed: September 16, 1975
    Date of Patent: March 7, 1978
    Assignee: The Associated Portland Cement Manufacturers Limited
    Inventors: William Grenville Davies, Howard Victor Andrew Beedle