Patents by Inventor Pawel Zadorecki

Pawel Zadorecki 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 for treatment of cellulose fibres and production of composite materials of the treated cellulose fibres in combination with resins
    Patent number: 5143791
    Abstract: Method of treating cellulose fibers wherein the fibers are treated with a composition containing a reagent A-B-X based on cyanuric chloride (A) in which one of the three chlorines has been reacted with an amine or hydroxyl compound (B-X). The reagent reacts under alkaline conditions with cellulose hydroxyl groups. A resin, e.g., polyester or vinyl resin, is then reacted with the thus modified cellulose fibers through the B-X substituent.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: September 1, 1992
    Assignee: Polyrand AB and Polycell Kompositer
    Inventors: Per Flodin, Pawel Zadorecki