Patents by Inventor Robin F. Lewis

Robin F. Lewis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Acid acceptor for polymers containing acid moieties
    Patent number: 5312859
    Abstract: A method for stabilizing or inactivating a detrimental and moiety in curable, cross-linkable, and thermoplastic polymers which comprises mixing 100 parts by weight of acid moiety containing polymer with from about 0.1 to about 40 parts by weight of tricalcium aluminum hexahydrate and the resulting composition are disclosed.
    Type: Grant
    Filed: February 19, 1992
    Date of Patent: May 17, 1994
    Assignee: J. M. Huber Corporation
    Inventors: Barry W. Preston, Robin F. Lewis, Gerard Mooney, Suneet K. Sikka, Claude R. Andrews