Patents by Inventor James C. Holly

James C. Holly 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).

  • Process for halogenating aromatic compounds
    Patent number: 5136107
    Abstract: A process for producing a mixture of ar-brominated polyphenyl compounds with an average of from about 3 to about 4 bromine atoms per aromatic ring utilizing a novel catalytic system for at least a portion of the bromination reaction so as to obtain an ar-brominated polyphenyl compound with excellent color characteristics.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: August 4, 1992
    Assignee: Ethyl Corporation
    Inventors: Eddie M. Stephens, James C. Holly