Patents by Inventor Carl A. Avison

Carl A. Avison 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).

  • Production of hydroxyketones
    Patent number: 5166450
    Abstract: This invention relates to an improved process for the production of hydroxyketones, especially dihydroxyacetone, by the condensation of one or more aldehydes in the presence of a catalyst and the use of specific process train. The product of this process is a relatively pure and any waste products from the reaction are environmentally friendly because none of the chemical components are discharged into the waste streams.
    Type: Grant
    Filed: October 4, 1991
    Date of Patent: November 24, 1992
    Assignee: BP Chemicals Limited
    Inventors: Carl A. Avison, Ian D. Dobson, Benjamin P. Gracey, Barry Hudson, Thakor Kikabhai