Patents Examined by Louis A. Piccone
  • Polymers made from quaternary ammonium acrylic monomers
    Patent number: 4973637
    Abstract: Quaternary ammonium containing monomers, represented by the formula: ##STR1## wherein R.sub.1 is H or methyl, R.sub.2 is an alkyl group containing 6 to 22 carbon atoms, D is an alkylene group containing 1 to 4 carbon atoms, or a hydroxylalkylene group containing 2 to 4 carbon atoms and X is an anion, are polymerized to form polymers useful in hair care preparations.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: November 27, 1990
    Assignee: Hi-Tek Polymers, Inc.
    Inventors: Michael E. Morgan, Martha A. Phelps