Patents by Inventor Li-Jen J. Ping

Li-Jen J. Ping 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).

  • 2-(3,4-dimethylphenyl)-4-{[2-hydroxy-3?-(1h-tetrazol-5-yl)biphenyl-3-yl]-hydrazono}-5-methyl-2,4-dihydropyrazol-3-one choline
    Patent number: 7666857
    Abstract: An improved thrombopoietin mimetic, the choline salt of 2-(3,4-dimethylphenyl)-4-{[2-hydroxy-3?-(1H-tetrazol-5-yl)biphenyl-3-yl]-hydrazono}-5-methyl-2,4-dihydropyrazol-3-one.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: February 23, 2010
    Assignee: SmithKline Beecham Corp.
    Inventors: Christopher S. Brook, Li-Jen J. Ping
  • Carvedilol hydrobromide
    Patent number: 7649010
    Abstract: The present invention relates to a salt of carvedilol, corresponding compositions containing such a carvedilol salt or corresponding solvates thereof, and/or methods of using the aforementioned compound(s) in the treatment of certain disease states in mammals, in particular man. The present invention further relates to a novel crystalline form of carvedilol hydrobromide, which is the hydrobromide salt of 1-(carbazol-4-yloxy-3-[[2-(o-methoxyphenoxy)ethyl]amino]-2-propanol, and/or other carvedilol solvates thereof, compositions containing salts or solvates of carvedilol hydrobromide, and methods of using the aforementioned compound(s) to treat hypertension, congestive heart failure, and angina, etc.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: January 19, 2010
    Assignee: SmithKline Beechman Cork Limited
    Inventors: Pingyun Y. Chen, Qunying Dai, Philip C. Dell'Orco, Claire Hisler, David H. Igo, Lee M. Katrincic, Clifford S. Labaw, Li-Jen J. Ping