Patents by Inventor Charles R. Mullin

Charles R. Mullin 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 preparing halogenated alkanes and alkenes
    Patent number: 4105702
    Abstract: A method for preparing halogenated alkanes and alkenes which comprises reacting by contacting, for 0.005 to 0.1 second at a temperature of 675.degree. C. to 850.degree. C., a halogenating agent of the formula CCl.sub.x Br.sub.4-x, wherein x is an integer from 0 to 4, with a compound of the formula R.sub.2 CH.sub.2, wherein each R is H, Cl or Br, with or without the presence of inert gases. The utilization of the above conditions prevents the formation of large amounts of undesirable tars.
    Type: Grant
    Filed: February 23, 1977
    Date of Patent: August 8, 1978
    Assignee: The Dow Chemical Company
    Inventors: Charles R. Mullin, Donald J. Perettie