Patents by Inventor Lucille W. S. Chang

Lucille W. S. Chang 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).

  • Feline vaccine compositions and method for preventing chlamydia infections or diseases using the same
    Publication number: 20030170251
    Abstract: This invention provides a feline vaccine composition comprising an immunogenically active component having inactivated mammalian chlamydial cells or antigens derived therefrom, in combination with an effective amount of an immunogencally suitable adjuvant; and a veterinary pharmaceutically acceptable carrier or diluent. The vaccine composition is useful to prevent chlamydia, e.g. C. psittaci, infections or diseases in felines, and may also be combined with other vaccine compositions or therapy. A process for producing C. psittaci suitable for use in the production of safe and effective chlamydia vaccines, and a method for preventing chlamydia infections or diseases in felines, are also provided.
    Type: Application
    Filed: February 10, 2003
    Publication date: September 11, 2003
    Applicant: American Home Products Corporation
    Inventors: Hsien-Jue Chu, Lloyd Chavez, William M. Acree, Lucille W.S. Chang
  • Feline vaccine compositions and method for preventing chlamydia infections or diseases using the same
    Patent number: 6004563
    Abstract: This invention provides a feline vaccine composition comprising an immunogenically active component having inactivated mammalian chlamydial cells or antigens derived there-from, in combination with an effective amount of an immunogenically suitable adjuvant; and a veterinary pharmaceutically acceptable carrier or diluent. The vaccine composition is useful to prevent chlamydia, e.g. C. psittaci, infections or diseases in felines, and may also be combined with other vaccine compositions or therapy. A process for producing C. psittaci suitable for use in the production of safe and effective chlamydia vaccines, and a method for preventing chlamydia infections or diseases in felines, are also provided.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 21, 1999
    Assignee: American Home Products Corporation
    Inventors: Hsien-Jue Chu, Lloyd Chavez, William M. Acree, Lucille W. S. Chang
  • Feline vaccine compositions and method for preventing chlamydia infections or diseases using the same
    Patent number: 5242686
    Abstract: This invention provides a feline vaccine composition comprising an immunogenically active component having inactivated mammalian chlamydial cells or antigens derived therefrom, in combination with an effective amount of an immunogenically suitable adjuvant; and a veterinary pharmaceutically acceptable carrier or diluent. The vaccine composition is useful to prevent chlamydia, e.g. C. psittaci, infections or diseases in felines, and may also be combined with other vaccine compositions or therapy. A process for producing C. psittaci suitable for use in the production of safe and effective chlamydia vaccines, and a method for preventing chlamydia infections or diseases in felines, are also provided.
    Type: Grant
    Filed: November 7, 1990
    Date of Patent: September 7, 1993
    Assignee: American Home Products Corporation
    Inventors: Hsien-Jue Chu, Lloyd Chavez, William M. Acree, Lucille W. S. Chang