Patents by Inventor Mary B. Martin

Mary B. Martin 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).

  • Melt processable, liquid crystalline polyesters
    Patent number: 4849499
    Abstract: A high use temperature wholly aromatic polyester resin, comprising, (i) a diacid component comprising 2,6-naphthalenedicarboxylic acid (N) and terephthalic acid (T) monomer units, wherein the ratio N:T is from about 0.25 to about 4.0, (ii) an aromatic diol component, comprising 4,4'-dihydroxybiphenyl monomer units, and (iii) 10-80 mole percent p-hydroxybenzoic acid monomer units, based on the total monomer units.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: July 18, 1989
    Assignee: Eastman Kodak Company
    Inventors: David R. Fagerburg, Winston J. Jackson, Jr., Mary B. Martin