Patents by Inventor Lucas D. M. van den Breckel

Lucas D. M. van den Breckel 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 for preparing high bulk density detergent compositions
    Patent number: 5164108
    Abstract: A process for preparing a granular detergent composition or component having a bulk density of at least 550 g/l, which comprises(i) feeding a liquid acid precursor of an anionic surfactant, a solid water-soluble alkaline inorganic material and optionally other materials into a high-speed mixer/densifier, the mean residence time being from about 5 to 30 seconds;(ii) subsequently treating the granular detergent material in a moderate-speed granulator/densifier, whereby it is brought into or maintained in a deformable state, the mean residence time being from about 1-10 minutes; and finally(iii) drying and/or cooling the detergent material.
    Type: Grant
    Filed: September 19, 1990
    Date of Patent: November 17, 1992
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Peter W. Appel, Lucas D. M. van den Breckel, Seeng D. Liem, Petrus L. J. Swinkels