Patents by Inventor Karl-Heinz Stukenbrock

Karl-Heinz Stukenbrock 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 the production of polyurethane-coated textile surfaces, polyurethane-coated textile surfaces and their use in the production of breathable and waterproof clothing
    Patent number: 4774131
    Abstract: The present invention relates to a process for the production of textiles that are coated with polyurethane, in which the material that is to be coated is coated with two oppositely charged aqueous ionic dispersions of polyurethanes that contain no free isocyanate groups and contain covalently bonded, solubility-enhancing ionic groups, dried and optionally waterproofed. Cationic and anionic polyurethane dispersions are preferred in a weight ratio of 1:1, and are applied to the textile material in a two-coat technique, wet-on-wet. In addition, the invention relates to textile material produced in this way, with improved waterproof qualities and the use of such textiles for the production of breathable, water- and wind resistant clothing, industrial textiles, and leather substitutes, all of which are permeable to water vapour.
    Type: Grant
    Filed: October 2, 1987
    Date of Patent: September 27, 1988
    Assignee: Chemische Fabrik Stockhausen GmbH
    Inventors: Kurt Dahmen, Dolf Stockhausen, Karl-Heinz Stukenbrock
  • Method of making flexible, fiber-covered, sheet-like textile article
    Patent number: 4668323
    Abstract: A flocked, sheet-like article which includes adhesive foam and flock. After the flocking, the article is partially dried and calendered. The sheet-like, textile article obtained in this way is light, air permeable, bi-elastic, and has a matted, flannel-like surface. The article can also be embossed.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: May 26, 1987
    Assignees: Uniroyal Englebert Textilcord S.A., Chemische Fabrik Stockhausen GmbH
    Inventors: Gerhard Lenards, Karl-Heinz Stukenbrock