Patents by Inventor Michael P. Popule

Michael P. Popule 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 substituted acryloyloxyhydroxypropyltrialkylammonium chloride
    Patent number: 5008444
    Abstract: The preparation of 3-(R)acryloyloxy-2-hydroxypropyltrialkylammonium halide monomer is enhanced by carrying out the reaction in a media which is a non-solvent for the monomer, but is a solvent for the reactants.
    Type: Grant
    Filed: December 26, 1989
    Date of Patent: April 16, 1991
    Assignee: Polypure, Inc.
    Inventors: William G. Chiang, Richard M. Jobbins, Michael P. Popule