Patents by Inventor John Kancylarz

John Kancylarz 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 preparation of graft copolymers of cellulose derivatives and diallyl, dialkyl ammonium halides
    Patent number: 4464523
    Abstract: Graft copolymers of cellulose derivatives and N,N-diallyl,N-N-dialkyl ammonium chlorides or bromides are prepared using a dry or substantially solvent-free system by impregnating a concentrated aqueous solution of the N,N-diallyl-N,N-dialkyl ammonium halide, water soluble surfactant and catalyst onto the dry cellulose substrate, heating the reaction mass for sufficient time to achieve polymerization and then drying.
    Type: Grant
    Filed: May 16, 1983
    Date of Patent: August 7, 1984
    Assignee: National Starch and Chemical Corporation
    Inventors: Dennis Neigel, John Kancylarz