Patents by Inventor Edward T. Carter

Edward T. Carter 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).

  • Patent number: 5693231
    Abstract: Polyamide (nylon) microporous membranes are prepared from a polyamide (nylon) polymer which contains aromatic rings, aliphatic carbon chains, and amide groups. The membranes exhibit improved long term performance characteristics.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: December 2, 1997
    Assignee: Micron Separations, Inc.
    Inventors: James S. Johnson, Michael J. Witham, Edward T. Carter
  • Patent number: 5215662
    Abstract: Microporous nylon materials which retain near constant time to hydrosaturation during and after heating to temperatures necessary for sealing together a plurality of surfaces, and the synthesis thereof. Nylon 46 dissolved into a mixture of liquid nylon 46 solvents and nonsolvents is dispersed on a fabric substrate, then precipitated to form a laminate, from which a wash removes the nonsolvents and forms the microporous material.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: June 1, 1993
    Assignee: Micron Separations Inc.
    Inventors: James S. Johnson, Edward T. Carter