Patents by Inventor Richard D. Swain

Richard D. Swain 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 of making ketones
    Patent number: 5583263
    Abstract: A multistep process for producing amyl ketones is provided. In the process, a methyl ketone is reacted with butyraldehyde to form a C.sub.7 aldol condensation product which is then dehydrated to form an olefinic ketone and hydrogenated to form an amyl ketone. The process is suitable for coproduction along with the production of MIBK and yields products with a high selectivity.
    Type: Grant
    Filed: August 30, 1995
    Date of Patent: December 10, 1996
    Assignee: Shell Oil Company
    Inventors: Duraisamy Muthusamy, Chia-Chung Wang, Richard D. Swain, David B. Litzen, William R. Pledger