Patents by Inventor Jan V. Christensen

Jan V. Christensen 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).

  • Method of dyeing tufted pile products in a predetermined pattern
    Patent number: 5133099
    Abstract: Method for dyeing a cotton nap fabric or carpet wherein the dyestuffs belong to a group of vat dyestuffs and reactive dyestuffs and are applied to the cotton nap. The product after the application of the dyestuff is treated with a uniform application of a liquid agent from a group of agents which are able to make the selected dyestuff absorbable by cotton.
    Type: Grant
    Filed: May 20, 1991
    Date of Patent: July 28, 1992
    Assignee: Milliken Denmark A/S
    Inventors: Daniel T. McBride, Jan V. Christensen