Patents by Inventor Fred H. Gregory

Fred H. Gregory 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).

  • Patent number: 5281733
    Abstract: A process for the carbonylation of substituted metal coordination compounds in the presence of carbon monoxide at a pressure in excess of 400 psig to produce optionally substituted cyclopentadienyl metallic carbonyls, particularly methylcyclopentadienyl manganese tricarbonyl in a thin-film-producing reactor.
    Type: Grant
    Filed: June 4, 1992
    Date of Patent: January 25, 1994
    Assignee: Ethyl Corporation
    Inventors: Carl O. Inabinet, Fred H. Gregory, David M. Marchand, Robert B. Agee