Patents by Inventor David I. Templer

David I. Templer 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 aryl ketones
    Patent number: 5476970
    Abstract: The present invention relates to the production of aryl ketones. Specifically the invention relates to the production of aryl ketones by reaction of aromatic hydrocarbon compounds and benzoyl chloride in the presence of iron (III) chloride. In particular, the invention relates to reaction under conditions of elevated temperature and pressure. Preferred embodiments of the invention specifically relate to the synthesis of benzophenone, methylbenzophenone and dimethylbenzophenone.
    Type: Grant
    Filed: February 16, 1984
    Date of Patent: December 19, 1995
    Assignee: Velsicol Chemical Corporation
    Inventors: Arlice E. Rains, Terry E. Lea, David I. Templer
  • Method for preparing aryl ketones
    Patent number: 5298664
    Abstract: The present invention relates to the production of aryl ketones. Specifically the invention relates to the production of aryl ketones by reaction of aromatic hydrocarbon compounds and aromatic or aliphatic acyl halides in the presence of anhydrous iron (III) chloride. In particular, the invention relates to reaction under conditions of elevated temperature and pressure. Preferred embodiments of the invention specifically relate to the synthesis of benzophenone, methylbenzophenone and dimethylbenzophenone.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: March 29, 1994
    Assignee: Velsicol Chemical Corporation
    Inventors: Arlice E. Rains, Terry E. Lea, David I. Templer