Patents Represented by Attorney Carl P. Hemeway

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  • Pleasantly fragrant process for stabilizing halogen-containing polymers
    Patent number: 6846861
    Abstract: A pleasant fragrance is imparted to the stabilizatiin of a halogen-containing polymer by the use of an organotin mercaptoalkyl heptanoate, and, optionally, up to about 50%, on an equivalents basis, of a sulfide thereof as the stabilizer. A mixture of the heptanoate with up to about 80% by weight of the mixture of a second carboxylate having from 8 to 20 carbon atoms in the carboxylate moiety may be used in place of the heptanoate.
    Type: Grant
    Filed: September 29, 2001
    Date of Patent: January 25, 2005
    Assignee: Rohm and Haas Company
    Inventors: Bruce C. Herzig, Gary M. Conroy, Paul B. Adams, Michael E. Skladani, Gene K. Norris