Patents by Inventor Hugo Lens

Hugo Lens 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).

  • Fluorochemical Composition for Rendering Substrates Oil and/or Water Repellent
    Publication number: 20070221877
    Abstract: The present invention provides a composition comprising an aqueous dispersion of a fluorochemical compound and a cationic surfactant and wherein the composition further comprises colloidal inorganic particles.
    Type: Application
    Filed: October 21, 2004
    Publication date: September 27, 2007
    Inventors: Frans Audenaert, Kathy Allewaert, Hugo Lens
  • Aqueous composition for rendering fibrous susbtrates water repellent
    Publication number: 20050090608
    Abstract: The present invention provides an aqueous composition comprising: (a) a melamine that is at least partially derivatised with an aliphatic hydrocarbon group having at least 8 carbon atoms; (b) a wax; and (c) at least one component selected from the group consisting of (i) a reaction product of an aliphatic polyisocyanate and an organic compound having one or more groups capable of reacting with an isocyanate, said reaction product having free isocyanate groups and having a molecular weight of at least 350 g/mol and (ii) a blocked aromatic polyisocyanate. The compositions can be used to treat textile to provide good water repellency properties thereto.
    Type: Application
    Filed: December 19, 2001
    Publication date: April 28, 2005
    Inventors: Frans Audenaert, Hugo Lens, Dominique Rolly