Patents Represented by Attorney B. A. Newell

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  • Stabilized polypyrrolidone composition
    Patent number: 4383065
    Abstract: Poly-2-pyrrolidone polymer compositions having improved melt processability via the capping of at least a portion of the amino and/or carboxy end group of the polymer and the incorporation therewith of certain epoxide organic isocyanate and/or polyol additive compositions. The melt extrusion of such compositions is also disclosed.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: May 10, 1983
    Assignee: Chevron Research Company
    Inventors: Gar L. Woo, Phillip H. Parker