Patents by Inventor Walter Andre Jules Stoks

Walter Andre Jules Stoks 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).

  • Fluoropolymer-containing sol-gel coating
    Patent number: 7635522
    Abstract: A sol-gel coating composition comprising fluoropolymer particles is disclosed. The fluoropolymer particles are distributed homogeneously in the coating, leading to scratch-resistant anti-stick and low-friction coatings that are suitable, for example, for electrical and non-electrical domestic appliances.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: December 22, 2009
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Gerard Cnossen, Marcel Rene Boehmer, Maria Suriaatmaja, Dipti Dilip Khasnis, Walter André Jules Stoks, Ronald Earl Uschold, Luc. G.P.J D'Haenens
  • Stabilized aqueous dispersion of fluoropolymer
    Publication number: 20040171726
    Abstract: The present invention relates to a stabilized fluoropolymer aqueous dispersion, wherein the stabilizer is polysiloxane polyoxyethylene copolymer preferably having a cloud point of no greater than 25° C.
    Type: Application
    Filed: January 20, 2004
    Publication date: September 2, 2004
    Inventors: Luk Germain Pierre Joseph D'Haenens, Dipti Dilip Khasnis, Walter Andre Jules Stoks
  • Abrasion resistant coatings
    Patent number: 6592977
    Abstract: The invention provides for a substrate coated with a non-stick coating which resists abrasion force, the coating comprising a fluoropolymer resin containing ceramic particles to deflect the abrasion force away from the coating wherein the ratio of the thickness of the coating to the longest diameter of said ceramic particles is in the range of 0.8-2.0. Further, the invention provides for a substrate coated with a non-stick coating which resists abrasion force, the coating comprising an undercoat and an overcoat, each containing fluoropolymer resin, the undercoat also containing ceramic particles extending from the undercoat, the overcoat telegraphing the particles extending from the undercoat through the thickness of the overcoat to deflect the abrasion force away from the coating. Preferably, the ratio of the combined thickness of the undercoat and the overcoat to the longest diameter of the ceramic particles is in the range of 0.8-2.0.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: July 15, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Phillipe Andre Fernand Thomas, Walter Andre Jules Stoks, Anne Buegman
  • Abrasion Resistant Coatings
    Publication number: 20020002229
    Abstract: The invention provides for a substrate coated with a non-stick coating which resists abrasion force, the coating comprising a fluoropolymer resin containing ceramic particles to deflect the abrasion force away from the coating wherein the ratio of the thickness of thecoating to the longest diameter of said ceramic particles is in the range of 0.8-2.0.
    Type: Application
    Filed: June 26, 2001
    Publication date: January 3, 2002
    Inventors: Phillipe Andre Fernand Thomas, Walter Andre Jules Stoks, Anne Buegman
  • Abrasion resistant coatings
    Patent number: 6291054
    Abstract: A substrate is coated with a fluoropolymer non-stick coating comprising an undercoat and an overcoat, each containing fluoropolymer resin, said undercoat containing ceramic particles which extend from said undercoat, wherein said ceramic particles telegraph their presence through the overcoat, forming protrusions on the coating surface, to provide abrasion resistance to said coating by deflecting abrasion force away from the coating.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: September 18, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Phillipe Andre Fernand Thomas, Walter Andre Jules Stoks, Anne Buegman