Patents by Inventor Mark A. Templeton

Mark A. Templeton 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).

  • Diphenyl oxide bromination process
    Patent number: 5210321
    Abstract: A process for producing a mixture of brominated diphenyl oxides with an average bromine number of 7.0 to 7.8 is improved by the utilization of a multi-step, multi-catalyst procedure. The process uses a zirconium catalyst in the first reaction and an iron catalyst in the second reaction to yield a whiter flame retardant product having less tendency to discolor plastic resins.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: May 11, 1993
    Assignee: Ethyl Corporation
    Inventors: Bonnie G. McKinnie, Mark A. Templeton
  • Process for decabromodiphenylalkane predominant product
    Patent number: 5124496
    Abstract: This invention relates to a white or at least near white flame retardant product which is predominant in decarbromodiphenylalkane, and which product contains a minor amount of impurities; to a process for preparation of the flame retardant product; to a process for the removal of excess bromine from the product by use of a treatment solution and elevated temperature; and to macromolecular materials utilizing the product as a flame retardant.
    Type: Grant
    Filed: November 1, 1990
    Date of Patent: June 23, 1992
    Assignee: Ethyl Corporation
    Inventors: Mark A. Templeton, Saadat Hussain, Bonnie G. McKinnie, Robert L. Davis
  • Method of preparing N-halogenated organic heterocyclic compounds
    Patent number: 4745189
    Abstract: A method of preparing N-halogenated organic heterocyclic compounds by reacting in an aqueous mixture under alkaline conditions (e.g. NaOH) and in the presence of a halogenated organic compound (e.g. methylene chloride), a N-hydrogen organic heterocyclic compound containing at least one NH group (e.g. 5,5-dimethylhydantoin) and a halogen-producing chemical (e.g. Br.sub.2).
    Type: Grant
    Filed: June 23, 1986
    Date of Patent: May 17, 1988
    Assignee: Ethyl Corporation
    Inventors: John Y. Lee, Mark A. Templeton