Patents by Inventor Xuejun Tang

Xuejun Tang 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).

  • Synthesis of deuterated morpholine derivatives
    Patent number: 9453009
    Abstract: The present invention is directed to a process for preparing a 2,26,6-d4-morpholine derivative represented by Structural Formula (I): or a salt thereof.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: September 27, 2016
    Assignee: Concert Pharmaceuticals, Inc.
    Inventors: Julie F. Liu, Xuejun Tang, Scott L. Harbeson, Craig E. Masse
  • SYNTHESIS OF DEUTERATED MORPHOLINE DERIVATIVES
    Publication number: 20150099714
    Abstract: The present invention is directed to a process for preparing a 2,26,6-d4-morpholine derivative represented by Structural Formula (I): or a salt thereof.
    Type: Application
    Filed: December 10, 2014
    Publication date: April 9, 2015
    Inventors: Julie F. Liu, Xuejun Tang, Scott L. Harbeson, Craig E. Masse
  • OXIDATIVELY STABLE POLYUNSATURATED FATTY ACID CONTAINING OIL
    Publication number: 20150017304
    Abstract: An oil comprising (i) at least 30 wt. % of one or more polyunsaturated fatty acids having at least 4 double bonds; (ii) at least one first antioxidant; and (iii) less than about 1000 ppm lecithin. The oil may comprise less than about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative.
    Type: Application
    Filed: July 29, 2014
    Publication date: January 15, 2015
    Inventors: Michael Lenn Stefanski, Xuejun Tang, Kristine Sheila Crawford
  • Oxidatively stable polyunsaturated fatty acid containing oil
    Publication number: 20130316061
    Abstract: An oil comprising (i) at least 30 wt. % of one or more polyunsaturated fatty acids having at least 4 double bonds; (ii) at least one first antioxidant; and (iii) less than about 1000 ppm lecithin. The oil may comprise less than about 750 ppm of a second antioxidant chosen from an ascorbic acid derivative.
    Type: Application
    Filed: November 1, 2012
    Publication date: November 28, 2013
    Inventors: Michael Lenn Stefanski, Xuejun Tang, Kristine Sheila Crawford
  • SYNTHESIS OF DEUTERATED MORPHOLINE DERIVATIVES
    Publication number: 20130281456
    Abstract: The present invention is directed to a process for preparing a 2,26,6-d4-morpholine derivative represented by Structural Formula (I): or a salt thereof.
    Type: Application
    Filed: November 15, 2012
    Publication date: October 24, 2013
    Inventors: Julie F. Liu, Xuejun Tang, Scott L. Harbeson, Craig E. Masse
  • Synthesis of deuterated morpholine derivatives
    Patent number: 8354557
    Abstract: The present invention is directed to a process for preparing a 2,26,6-d4-morpholine derivative represented by Structural Formula (I): or a salt thereof.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: January 15, 2013
    Assignee: Concert Pharmaceuticals, Inc.
    Inventors: Julie F. Liu, Xuejun Tang, Scott L. Harbeson, Craig E. Masse
  • DHA Triglyceride Emulsions
    Publication number: 20110206741
    Abstract: The present invention is directed to an emulsion comprising an emulsifier, an isotonic agent and a docosahexaenoic acid triglyceride (DHA-TG) wherein the emulsion is substantially free of eicosapentaenoic acid (EPA) and is suitable for parenteral administration.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 25, 2011
    Applicant: Martek Biosciences Corporation
    Inventors: Jung LEE, Bernard A. Mikrut, Xuejun Tang
  • DHA Ester Emulsions
    Publication number: 20110200644
    Abstract: The present invention is directed to an emulsion comprising an emulsifier, an isotonic agent and a docosahexaenoic acid ethyl ester (DHA-EE) wherein the emulsion is substantially free of eicosapentaenoic acid (EPA) and is suitable for parenteral administration.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 18, 2011
    Applicant: Martek Biosciences Corporation
    Inventors: Jung LEE, Bernard A. MIKRUT, Xuejun TANG
  • DHA Free Fatty Acid Emulsions
    Publication number: 20110200645
    Abstract: The present invention is directed to an emulsion comprising an emulsifier, an isotonic agent and a docosahexaenoic acid free fatty acid (DHA-FFA) wherein the emulsion is substantially free of eicosapentaenoic acid (EPA) and is suitable for parenteral administration.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 18, 2011
    Applicant: Martek Biosciences Corporation
    Inventors: Jung LEE, Bernard A. Mikrut, Xuejun Tang
  • Synthesis of deuterated morpholine derivatives
    Publication number: 20100160247
    Abstract: The present invention is directed to a process for preparing a 2,26,6-d4-morpholine derivative represented by Structural Formula (I): or a salt thereof.
    Type: Application
    Filed: June 17, 2009
    Publication date: June 24, 2010
    Applicant: CoNCERT Pharmaceuticals, Inc.
    Inventors: Julie F. Liu, Xuejun Tang, Scott L. Harbeson, Craig E. Masse
  • Pregnanes
    Patent number: 6713465
    Abstract: This invention provides a pharmaceutically acceptable salt of 5&agr;-pregn-16-en-3&bgr;-ol-20-one 3-sulfate ester, which is useful as a progestational agent.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: March 30, 2004
    Assignee: Wyeth
    Inventors: Reinhold H. W. Bender, Mahdi B. Fawzi, Horace Fletcher, III, George O. Morton, Syed M. Shah, Xuejun Tang
  • Ester salt of 5.alpha.-pregn-16-en-3.beta.-ol-20-one 3-sulfate
    Patent number: 5998638
    Abstract: This invention provides a pharmaceutically acceptable salt of 5.alpha.-pregn-16-3.beta.-ol-20-one 3-sulfate ester, which is useful as a progestational agent.
    Type: Grant
    Filed: April 21, 1998
    Date of Patent: December 7, 1999
    Assignee: American Home Products Corporation
    Inventors: Reinhold H. W. Bender, Mahdi B. Fawzi, Horace Fletcher, III, George O. Morton, Syed M. Shah, Xuejun Tang