Patents by Inventor Donald R. Swain

Donald R. Swain 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).

  • Blow moldable thermoplastic polyamide composition
    Patent number: 5408000
    Abstract: A flexible, thermoplastic, blow moldable composition which comprises a substantially homogeneous blend of A) about 40-60 wt. % polyamide, B) about 20-58 wt. % of a first ethylene copolymer selected from the group consisting of copolymers of ethylene and at least one alpha, beta ethylenically-unsaturated carboxylic acid having 3-8 carbon atoms, and ionomers of said ethylene copolymers, C) about 1-20 wt. % of a second ethylene copolymer having interpolymerized units of ethylene and 1-10 wt. % of an alpha, beta ethylenically-unsaturated aliphatic epoxide, and D) 0.1-0.6 wt. % fibrillatable polytetrafluoroethylene or fibrillatable modified polytetrafluoroethylene.
    Type: Grant
    Filed: July 19, 1993
    Date of Patent: April 18, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James D. Katsaros, Pallatheri M. Subramanian, Donald R. Swain