Patents by Inventor Marinus L. M. Claassens

Marinus L. M. Claassens 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 the manufacture of detergent compositions containing sodium aluminosilicate
    Patent number: 4637891
    Abstract: Washing powders containing an aluminosilicate as a builder or part thereof are made by a process in which a slurry containing anionic surfactant, nonionic surfactant and sodium silicate is spray-dried and is formed into granules with aluminosilicate, optionally with another detergency builder, using a liquid binder.
    Type: Grant
    Filed: January 28, 1985
    Date of Patent: January 20, 1987
    Assignee: Lever Brothers Company
    Inventors: Francois Delwel, Marinus L. M. Claassens