Patents by Inventor John Edward Christopher Willham

John Edward Christopher Willham 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).

  • Polyester or copolyester/polyolefin laminate structures and methods of making the same
    Patent number: 7037576
    Abstract: The invention relates to polyester/polyolefin laminate materials having improved properties. The invention also relates to copolyester/polyolefin laminate materials having improved properties. The laminates herein exhibit improved results in flammability studies. The invention further relates to methods of making laminate structures.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: May 2, 2006
    Assignee: Eastman Chemical Company
    Inventors: John Edward Christopher Willham, Thomas Joseph Pecorini
  • Polyester or copolyester/polyolefin laminate structures and methods of making the same
    Publication number: 20040209097
    Abstract: The invention relates to polyester/polyolefin laminate materials having improved properties. The invention also relates to copolyester/polyolefin laminate materials having improved properties. The laminates herein exhibit improved results in flammability studies. The invention further relates to methods of making laminate structures.
    Type: Application
    Filed: January 31, 2003
    Publication date: October 21, 2004
    Inventors: John Edward Christopher Willham, Thomas Joseph Pecorini
  • Ultraviolet protected multi-layer structures of copolyester/polycarbonate blends
    Patent number: 6641920
    Abstract: There is described an ultraviolet protected multi-layer structure comprising a layer produced from a copolyester/polycarbonate blend, and a protective UV absorbing compound-containing polycarbonate cap layer. Also described is a process for producing the multi-layer structures, and articles of manufacture produced from the multi-layer structures.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: November 4, 2003
    Assignee: Eastman Chemical Company
    Inventors: Roy Lee Conn, James Carl Williams, John Edward Christopher Willham
  • ULTRAVIOLET PROTECTED MULTI-LAYER STRUCTURES OF COPOLYESTER/POLYCARBONATE BLENDS
    Publication number: 20030165685
    Abstract: There is described an ultraviolet protected multi-layer structure comprising a layer produced from a copolyester/polycarbonate blend, and a protective UV absorbing compound-containing polycarbonate cap layer. Also described is a process for producing the multi-layer structures, and articles of manufacture produced from the multi-layer structures.
    Type: Application
    Filed: February 8, 2002
    Publication date: September 4, 2003
    Inventors: Roy Lee Conn, James Carl Williams, John Edward Christopher Willham