Patents by Inventor Aylmer J. Woodward

Aylmer J. Woodward 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).

  • Modified polyethylene terephthalate
    Patent number: 5250333
    Abstract: A modified polyethylene terephthalate is provided. Modification is provided by the incorporation of an alkoxylated polyol. The modified PET is melt-strength enhanced and extrusion blow-moldable. The modified PET may contain units derived from 2,6-napthalenedicarboxylic acid, and be useful for making bottles or containers having hot fill applications. Reduced yellowness is advantageously provided.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: October 5, 1993
    Assignee: Hoechst Celanese Corporation
    Inventors: Gerald W. McNeely, Aylmer J. Woodward