Patents by Inventor Gordon Lee Tullos

Gordon Lee Tullos 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).

  • Copolyetherimides with resistance to high temperatures
    Patent number: 6020456
    Abstract: Copolyetherimides are prepared by conventional means from hindered diamines such as the isomeric methyl-4,6-diethyl-1,3-phenylenediamines and bis(2-chloro-4-amino-3,5-diethylphenyl)methane. They have unusually high glass transition temperatures.
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: February 1, 2000
    Assignee: General Electric Company
    Inventors: Daniel Joseph Brunelle, Tina Lynn Grubb, Gordon Lee Tullos
  • Polyetherimides with resistance to high temperatures
    Patent number: 5917005
    Abstract: Polyetherimides are prepared by conventional means from hindered diamines such as the isomeric methyl-4,6-diethyl-1,3-phenylenediamines and bis(2-chloro-4-amino-3,5-diethylphenyl)methane. They have unusually high glass transition temperatures.
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: June 29, 1999
    Assignee: General Electric Company
    Inventors: Daniel Joseph Brunelle, Tina Lynn Grubb, Gordon Lee Tullos