Patents by Inventor Catherine C. Y. Chang

Catherine C. Y. 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).

  • Patent number: 5968749
    Abstract: This invention pertains to purified, biologically active acyl coenzyme A: cholesterol acyltransferase (ACAT) and to nucleic acid (DNA or RNA) encoding acyl coenzyme A: cholesterol acyltransferase. The nucleic acid, or a fragment thereof, may be ligated with an expression vector and transfected into cells to express acyl coenzyme A: cholesterol acyltransferase activity in intact cells and in cell-free extracts.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: October 19, 1999
    Inventors: Ta-Yuan Chang, Catherine C.Y. Chang
  • Patent number: 5834283
    Abstract: This invention pertains to purified, biologically active acyl coenzyme A: cholesterol acyltransferase (ACAT) and to nucleic acid (DNA or RNA) encoding acyl coenzyme A:cholesterol acyltransferase. The nucleic acid, or a fragment thereof, may be ligated with an expression vector and transfected into cells to express acyl coenzyme A:cholesterol acyltransferase activity in intact cells and in cell-free extracts.
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: November 10, 1998
    Assignee: Trustees of Dartmouth College
    Inventors: Ta-Yuan Chang, Catherine C. Y. Chang
  • Patent number: 5484727
    Abstract: This invention pertains to purified, biologically active acyl coenzyme A: cholesterol acyltransferase (ACAT) and to nucleic acid (DNA or RNA) encoding acyl coenzyme A: cholesterol acyltransferase. The nucleic acid, or a fragment thereof, may be ligated with an expression vector and transfected into cells to express acyl coenzyme A: cholesterol acyltransferase activity in intact cells and in cell-free extracts.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: January 16, 1996
    Assignee: Trustees of Dartmouth College
    Inventors: Ta-Yuan Chang, Catherine C. Y. Chang