Patents Assigned to Homecom Communications, Inc.
  • Preparation of oligomeric cyclocarbonates and their use in ionisocyanate or hybrid nonisocyanate polyurethanes
    Patent number: 7232877
    Abstract: A method and apparatus for synthesis of oligomeric cyclocarbonates from epoxy compounds and carbon dioxide in the presence of a catalyst. Star epoxy compounds and their preparation and use in making star cyclocarbonates, star hydroxy urethane oligomers, and star NIPU and HNIPU. Acrylic epoxy compounds, acrylic cyclocarbonates, acrylic hydroxy urethane oligomers, and acrylic NIPU and HNIPU and their methods of preparation.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: June 19, 2007
    Assignee: Homecom Communications, Inc.
    Inventors: Oleg Figovsky, Leonid Shapovalov