Patents Represented by Attorney, Agent or Law Firm Henry E. Millison, Jr.
  • Polyamines and coating compositions with enhanced resistance to yellowing
    Patent number: 6365708
    Abstract: This invention relates to novel polyamines which are the reaction product of A) at least one nonaromatic diamine containing from 2 to 40 carbon atoms, wherein the amine groups are primary amine groups; and B) at least one epihalohydrin of the formula  where R is hydrogen or methyl and X is chlorine or bromine; and the coatings resulting from the reaction between the above reaction product and nonaromatic epoxy resins.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: April 2, 2002
    Assignee: Cognis Corporation
    Inventors: Shailesh Shah, Anbazhagan Natesh, Joseph Mulvey, Ronald C. LaFreeda, Gaetano D. DeAngelis, Ronald T. Cash, Jr.