Patents by Inventor Song-Guang Ren

Song-Guang Ren 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: 6448022
    Abstract: A substance having an inhibitory effect on the production of human choriogonadotropin (hCG) is described, which comprises a protein isolated from human decidual cells with a preliminary amino acid analysis and a molecular weight of about 7,000 to about 10,000 daltons, and useful for use in inhibiting production of hCG in vivo or in vitro, may be measured as an indication of a cause of hCG inhibition, or used in the treatment of hCG-secreting tumors.
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: September 10, 2002
    Assignee: Cedars-Sinai Medical Center
    Inventors: Glenn D. Braunstein, Song-Guang Ren
  • Patent number: 5140100
    Abstract: A substance having an inhibitory effect on the production of human choriogonadotropin (hCG) is described, which comprises a protein isolated from human decidual cells with a molecular weight of about 7,000 to about 10,000 daltons, and useful for use in inhibiting production of hCG in vivo or in vitro or may be measured as an indication of a cause of hCG inhibition.
    Type: Grant
    Filed: December 28, 1990
    Date of Patent: August 18, 1992
    Assignee: Cedars-Sinai Medical Center
    Inventors: Glenn A. Braunstein, Song-Guang Ren