Patents Examined by C. S. K. Scalzo
  • Patent number: 4921634
    Abstract: The invention consists in making an emulsion of a fluorinated product, in the presence of a derivative of morpholine. The derivative of morpholine may be the morpholine itself, a saturated derivative or a non-saturated derivative, for example morpholinoethyl methacrylate. The fluorinated product may be a fluorinated monomer, for example 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl methacrylate. Placing in emulsion is effected by adding to the fluorinated product the derivative of morpholine in the presence of a surface-active agent, and by adjusting, with mechanical stirring, the desired quantity of liquid.
    Type: Grant
    Filed: April 14, 1988
    Date of Patent: May 1, 1990
    Assignee: Institut Textile de France
    Inventors: Jacques Poulenard, Louis Gavet, Roger Chatelin, Annie Giorgio