Patents by Inventor Fan-Yu Lee

Fan-Yu Lee 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: 6673373
    Abstract: The present invention provides novel pharmaceutical compositions for azole antimicrobial drugs such as itraconazole, saperconazole, ketoconazole, and fluconazole. The pharmaceutical compositions are in the form of pellets which comprise a core and a drug emulsion layer, and optionally, a protective layer. The drug emulsion layer contains the azole antimicrobial drug, an emulsifier, a binder, and an absorbent aid. The preferred emulsifier is vitamin E polyethylene glycol succinate. The preferred binder is hydroxypropyl methylcellulose. The preferred absorbent aid is DL malic acid. The drug is dissolved in organic solvents. The preferred organic solvents are ethanol and methylene chloride. The protective layer contains polyethylene glycol (PEG) 20,000, which is coated on the drug emulsion layer.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: January 6, 2004
    Assignee: Carlsbad Technology Inc.
    Inventors: Fan-Yu Lee, Shan-Chiung Chen, Ping-Kuen Chen, Han-Chiang Kuo
  • Publication number: 20020176894
    Abstract: The present invention provides novel pharmaceutical compositions for azole antimicrobial drugs such as itraconazole, saperconazole, ketoconazole, and fluconazole. The pharmaceutical compositions are in the form of pellets which comprise a core and a drug emulsion layer, and optionally, a protective layer. The drug emulsion layer contains the azole antimicrobial drug, an emulsifier, a binder, and an absorbent aid. The preferred emulsifier is vitamin E polyethylene glycol succinate. The preferred binder is hydroxypropyl methylcellulose. The preferred absorbent aid is DL malic acid. The drug is dissolved in organic solvents. The preferred organic solvents are ethanol and methylene chloride. The protective layer contains polyethylene glycol (PEG) 20,000, which is coated on the drug emulsion layer.
    Type: Application
    Filed: April 5, 2002
    Publication date: November 28, 2002
    Inventors: Fan-Yu Lee, Shan-Chiung Chen, Ping-Kuen Chen, Han-Chiang Kuo