Xanthogenation Patents (Class 8/122)
  • Process for improving the properties of cotton textile materials
    Patent number: 4865615
    Abstract: A process for the treatment of textile materials consisting of or containing natural vegetable or animal fibres, in which (a) ketatolytic liquid is allowed to act on the textile material, and then washed out, then preferably the material is further treated with an oxidizing agent which thereafter is washed out, (b) the textile material is impregnated with a suspension of a finely-divided frit or glazing powder, and (c) the impregnated material is subjected to heat-treatment at a temperature of above 180.degree. C.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: September 12, 1989
    Inventor: Heidelinde Nordmann
  • Method for producing a non-woven fabric
    Patent number: 4080163
    Abstract: A wet formed web is overfed onto a running net by a liquid stream type web feeding apparatus so as to place the web into folded condition which is then subjected to regeneration and aftertreatments.
    Type: Grant
    Filed: May 7, 1976
    Date of Patent: March 21, 1978
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Atsushi Kawai, Migaku Suzuki, Yoshinosuke Mori, Seigi Suzuki