Patents by Inventor David C. Munroe

David C. Munroe 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: 5336479
    Abstract: An improved high yield process and apparatus for producing sodium hydrosulfite by simultaneously contacting a first reaction mixture of sodium borohydride, sodium hydroxide, and water with a second reaction mixture of an acidic sulfur-containing compound or precursors thereof used in producing sodium hydrosulfite from sodium borohydride.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: August 9, 1994
    Assignee: Morton International, Inc.
    Inventor: David C. Munroe