Patents by Inventor Franceska Fieuws

Franceska Fieuws 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).

  • Patent number: 5370919
    Abstract: This invention relates to a treating composition containing 0.3 to 30% by weight of a fluoroaliphatic radical containing poly(oxyalkylene) compound, 0.3 to 30% by weight of an anti-soiling agent and 0 to 60% by weight of an environmentally acceptable water-miscible organic solvent and water for the use for imparting excellent water- and oil repellency, stain resistance and dry soil resistance to textiles, carpets, concrete, paper, leather and wool.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: December 6, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Franceska Fieuws, Kathy Allewaert, Dirk Coppens
  • Patent number: 5216097
    Abstract: The invention provides polymers or copolymers which are prepared by the polymerization of the reaction product of a diisocyanate with a perfluoro compound or an epichlorhydrinadduct thereof and (meth)acrylic esters of a three hydroxyl groups containing compound. Furthermore, the invention relates to fluoroacrylic monomers, a process for preparing the polymers or copolymers and a treatment agent comprising the polymers or copolymers of the invention and an environmentally acceptable solvent. Polymers and copolymers of the invention can be used for making textiles, papers, non-woven articles, leather, plastic, wood, metal, stone and cement water and oil repellent.
    Type: Grant
    Filed: April 21, 1992
    Date of Patent: June 1, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Kathy Allewaert, Dirk Coppens, Franceska Fieuws
  • Patent number: 5132028
    Abstract: Compositions for imparting water- and oil-repellency to fabrics are provided. They contain a fluorochemical water- and oil-repellant agent, a carbodiimide compound, and at least one of the following: plasticizer, metal alcoholate or ester, zirconium salt, alkylketen dimer, aziridine, and alkenyl succinic anhydride. The compositions may also contain a silicone water-repellent.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: July 21, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Makoto Nagase, Kathy Allewaert, Franceska Fieuws, Dirk Coppens
  • Patent number: 5084191
    Abstract: Compositions for imparting water- and oil-repellency to fabrics and provided. The compositions contain a flurochemical water- and oil-repellent agent, an aziridine compound, and a metal alcoholate or ester. The compositions may optionallly contain a silicone water-repellent agent.
    Type: Grant
    Filed: December 10, 1990
    Date of Patent: January 28, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Makoto Nagase, Kathy Allewaert, Franceska Fieuws, Dirk Coppens