Patents Represented by Attorney Heidi A. Boehelfeld

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  • Anhydride-functional polymers comprising ene reaction products of unsaturated anhydrides and polyolefins
    Patent number: 5492976
    Abstract: An anhydride-functional polymer is obtained by reacting under ene reaction conditions:(i) an unsaturated anhydride having the structure: ##STR1## wherein R.sub.1 and R.sub.2 are each independently hydrogen, alkyl of 1 to about 6 carbons, or alkoxy of 1 to about 6 carbons, or a halogen; and(ii) at least one polyolefin having at least two carbon-carbon double bonds in the polyolefin backbone and having an average of at least three carbon atoms in the polyolefin backbone between the carbon-carbon double bonds.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: February 20, 1996
    Assignee: The Sherwin-Williams Company
    Inventors: Mohamad D. Shalati, Rodney M. Harris, Joyce A. Bibeau, Richard S. Valpey, III