Patents by Inventor Gerald Oeckel

Gerald Oeckel 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).

  • Method for the manufacture of chlorophthalic anhydride
    Patent number: 6657067
    Abstract: A method for the manufacture of chlorophthalic acid by liquid phase oxidation of chloro-ortho-xylene is disclosed. The chlorophthalic acid may be dehydrated to form chlorophthalic anhydride which is useful in the synthesis of polyetherimide.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: December 2, 2003
    Assignee: General Electric Company
    Inventors: Robert Edgar Colborn, David Bruce Hall, Peter Koch, Gerald Oeckel
  • Liquid phase oxidation of halogenated ortho-xylenes
    Patent number: 6657068
    Abstract: A method for the manufacture of halophthalic acid by liquid phase oxidation of halo-ortho-xylene is disclosed. The halophthalic acid may be dehydrated to form halophthalic anhydride which is useful in the synthesis of polyetherimide.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: December 2, 2003
    Assignee: General Electric Company
    Inventors: Robert Edgar Colborn, David Bruce Hall, Peter Koch, Gerald Oeckel
  • Method for the manufacture of halophthalic acids and anhydrides
    Patent number: 6649773
    Abstract: A method for the manufacture of halophthalic acid by liquid phase oxidation of halo-ortho-xylene is disclosed. The halophthalic acid may be dehydrated to form halophthalic anhydride which is useful in the synthesis of polyetherimide.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: November 18, 2003
    Assignee: General Electric Company
    Inventors: Robert Edgar Colborn, David Bruce Hall, Peter Koch, Gerald Oeckel
  • LIQUID PHASE OXIDATION OF HALOGENATED ORTHO-XYLENES
    Publication number: 20030181757
    Abstract: A method for the manufacture of halophthalic acid by liquid phase oxidation of halo-ortho-xylene is disclosed. The halophthalic acid may be dehydrated to form halophthalic anhydride which is useful in the synthesis of polyetherimide.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 25, 2003
    Inventors: Robert Edgar Colborn, David Bruce Hall, Peter Koch, Gerald Oeckel
  • METHOD FOR THE MANUFACTURE OF HALOPHTHALIC ACIDS AND ANHYDRIDES
    Publication number: 20030181758
    Abstract: A method for the manufacture of halophthalic acid by liquid phase oxidation of halo-ortho-xylene is disclosed. The halophthalic acid may be dehydrated to form halophthalic anhydride which is useful in the synthesis of polyetherimide.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 25, 2003
    Inventors: Robert Edgar Colborn, David Bruce Hall, Peter Koch, Gerald Oeckel
  • METHOD FOR THE MANUFACTURE OF CHLOROPHTHALIC ANHYDRIDE
    Publication number: 20030181756
    Abstract: A method for the manufacture of chlorophthalic acid by liquid phase oxidation of chloro-ortho-xylene is disclosed. The chlorophthalic acid may be dehydrated to form chlorophthalic anhydride which is useful in the synthesis of polyetherimide.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 25, 2003
    Inventors: Robert Edgar Colborn, David Bruce Hall, Peter Koch, Gerald Oeckel