Patents by Inventor Ronald O. Downs

Ronald O. Downs 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).

  • Isoprene production and catalyst therefor
    Patent number: 4000209
    Abstract: A process for the production of a catalyst for the synthesis of isoprene from isobutylene and formaldehyde which comprises providing a catalyst precursor comprising silica and alumina and modifying the catalyst precursor by treatment with an alkali metal hydroxide and subsequently neutralizing by treatment with a mineral acid, depositing a transition metal on the treated catalyst precursor and calcining to form the catalyst.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: December 28, 1976
    Assignee: Monsanto Company
    Inventors: Ronald O. Downs, James C. Burleson