Patents by Inventor Frans L. M. Smeets

Frans L. M. Smeets 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).

  • Bleach/builder precursors
    Patent number: 5069812
    Abstract: A novel multifunctional bleach/builder precursor molecule is disclosed which is useful in various detergent compositions.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: December 3, 1991
    Assignee: Lever Brothers Company
    Inventors: Robert W. R. Humphreys, Bijan Harirchian, Frans L. M. Smeets