Patents by Inventor Heidelinde Nordmann

Heidelinde Nordmann 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).

  • 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
  • Process for increasing the performance of pleated silk or wool by treatment with keratolytic liquor and impregnating with glazing powder and heating
    Patent number: 4773912
    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: December 31, 1986
    Date of Patent: September 27, 1988
    Inventor: Heidelinde Nordmann