Patents Represented by Attorney F. E. Innis
  • Patent number: 4436842
    Abstract: This invention relates to a polyamine composition suited for catalytically effecting reaction between organic polyisocyanate and an active hydrogen compound as measured by the Zerewitinoff method e.g. a polyol, a polyester polyol of polyether in the manufacture of urethane compositions.
    Type: Grant
    Filed: September 3, 1982
    Date of Patent: March 13, 1984
    Assignee: Air Products and Chemicals, Inc.
    Inventor: Howard L. Harwell