Patents by Inventor Nicolaas C. Laane

Nicolaas C. Laane 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).

  • Non-aqueous liquid detergent compositions containing di-sulphonic acids as deflocculants
    Patent number: 4950424
    Abstract: A substantially non-aqueous liquid cleaning product comprising solid particles dispersed in a liquid solvent phase and a deflocculant which comprises a di-sulphonic acid or a salt thereof.
    Type: Grant
    Filed: April 13, 1989
    Date of Patent: August 21, 1990
    Assignee: Lever Brothers Company
    Inventors: Philippus C. van der Hoeven, Nicolaas C. Laane, Peter Versluis, Adrianus Visser