Patents Assigned to Andrx Pharmaceuticals LLC
  • Patent number: 8747898
    Abstract: A once a day bupropion salt formulation is disclosed.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: June 10, 2014
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Boyong Li, Avinash Nangia, Chih Ming Chen, Xiu Xiu Cheng
  • Patent number: 8668932
    Abstract: A controlled release dosage form of venlafaxine that comprises an immediate release pellet and an extended release pellet.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: March 11, 2014
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Manesh Dixit, Xiu-Xiu Cheng, Avinash Nangia, Chin Ming Chen
  • Patent number: 8628797
    Abstract: The invention is directed to controlled release formulations containing drugs which are preferably considered sparingly soluble to insoluble and which are suitable for administration to a patient in need of treatment related thereto, and methods of manufacturing the same.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: January 14, 2014
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Boying Li, Avinash Nangia, Monte Browder
  • Patent number: 8545880
    Abstract: A once a day bupropion hydrochloride formulation is disclosed.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: October 1, 2013
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Boyong Li, Avinash Nangia, Chih Ming Chen, Xiu Xiu Cheng
  • Patent number: 8529946
    Abstract: The invention relates to a rapidly disintegrating oral antihistamine dosage formulation and method of preparing the rapidly disintegrating formulation wherein the formulation is designed to dissolve in the buccal cavity of the patient.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: September 10, 2013
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Unchalee Kositprapa, Nilobon Podhipleux, Avinash Nangia, Samuel Yuk
  • Patent number: 8501227
    Abstract: Stabilized controlled release pharmaceutical preparations are disclosed in which active ingredient degradation is prevented without the use of a stabilizer. The active ingredient is sealed away from excipients that can adversely affect stability by sealing the excipients rather than the active ingredient. The preparations are substantially unaffected by exposure to storage conditions of elevated temperature and/or elevated relative humidity.
    Type: Grant
    Filed: January 3, 2005
    Date of Patent: August 6, 2013
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Boyong Li, Xiu Xiu Cheng
  • Patent number: 8092831
    Abstract: The present invention relates to an oral pharmaceutical formulation that employs: (1) a compressed core containing a decongestant or pharmaceutically acceptable salt thereof; (2) a delayed release coating on the compressed core and (3) immediate release therapeutic amounts of a decongestant and an antihistamine.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: January 10, 2012
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Unchalee Kositprapa, Mongkol Sriwongjanya
  • Publication number: 20110165234
    Abstract: A controlled release dosage form of venlafaxine that comprises an immediate release pellet and an extended release pellet.
    Type: Application
    Filed: March 18, 2011
    Publication date: July 7, 2011
    Applicant: ANDRX PHARMACEUTICALS, LLC
    Inventors: Manesh Dixit, Xiu-Xiu Cheng, Avinash Nangia, Chin Ming Chen
  • Patent number: 7931915
    Abstract: A controlled release dosage form of venlafaxine that comprises an immediate release pellet and an extended release pellet.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: April 26, 2011
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Manesh Dixit, Xiu-Xiu Cheng, Avinash Nangia, Chih Ming Chen
  • Publication number: 20100323010
    Abstract: The present invention relates to a controlled release pellet of metoprolol and its pharmaceutically acceptable salts that uses a water soluble or a water swellable inert starting seed or core.
    Type: Application
    Filed: August 10, 2010
    Publication date: December 23, 2010
    Applicant: ANDRX PHARMACEUTICALS, LLC
    Inventors: Mongkol Sriwongjanya, Samuel Yuk, Avinash Nangia
  • Patent number: 7790200
    Abstract: The present invention relates to a controlled release pellet of metoprolol and its pharmaceutically acceptable salts that uses a water soluble or a water swellable inert starting seed or core.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: September 7, 2010
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Mongkol Sriwongjanya, Samuel Yuk, Avinash Nangia
  • Patent number: 7771750
    Abstract: A once a day bupropion hydrochloride formulation is disclosed.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: August 10, 2010
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Boyong Li, Avinash Nangia, Chih Ming Chen, Xiu Xiu Cheng
  • Patent number: 7476403
    Abstract: The invention is directed to controlled release formulations containing drugs which are preferably considered sparingly soluble to insoluble and which are suitable for administration to a patient in need of treatment related thereto, and methods of manufacturing the same.
    Type: Grant
    Filed: June 16, 2004
    Date of Patent: January 13, 2009
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Boyong Li, Avinash Nangia, Monte Browder
  • Patent number: 7470435
    Abstract: A controlled release dosage form of venlafaxine that comprises an immediate release pellet and an extended release pellet.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: December 30, 2008
    Assignee: Andrx Pharmaceuticals, LLC
    Inventors: Manesh Dixit, Xiu-Xiu Cheng, Avinash Nangia, Chih Ming Chen
  • Publication number: 20070237820
    Abstract: Disclosed is a pharmaceutical dosage form including a therapeutically effective amount of an NSAID and an antiulcerative agent.
    Type: Application
    Filed: April 11, 2007
    Publication date: October 11, 2007
    Applicant: Andrx Pharmaceuticals, LLC
    Inventors: Xiu Cheng, Avinash Nangia, Dacheng Tian
  • Patent number: 7029701
    Abstract: The invention relates to pharmaceutical compositions comprising omeprazole and aspirin wherein the combination is useful for the treatment and prevention of cardiovascular events including heart attacks and platelet aggregation leading to a potential cardiac event. A variety of drug delivery systems may be utilized to deliver the combination of active ingredients. The preferred delivery system utilizes a tablet or capsule containing an inert sugar core particle that is coated with subparticles of a coated omeprazole wherein the coating contains omeprazole, a binder, a surface active agent and a basifying agent along with a filler. The aspirin may be combined with this formulation to coat the sugar sphere or it may be part of a separate coating composition that forms a multilayer system that is ultimately coated with an enteric coating and then formed into the tablet or capsule by conventional means.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: April 18, 2006
    Assignee: Andrx Pharmaceuticals, LLC
    Inventor: Chih-Ming Chen
  • Patent number: 6966453
    Abstract: This invention relates to an apparatus and method for regulating the delivery rate of bulk tablets to a tablet transportation system.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: November 22, 2005
    Assignee: Andrx Pharmaceuticals LLC
    Inventor: Dacheng Tian
  • Publication number: 20050163847
    Abstract: Disclosed is a pharmaceutical dosage form including a therapeutically effective amount of an NSAID and an antiulcerative agent.
    Type: Application
    Filed: January 20, 2005
    Publication date: July 28, 2005
    Applicant: Andrx Pharmaceuticals, LLC
    Inventors: Xiu Cheng, Avinash Nangia, Dacheng Tian
  • Publication number: 20050064034
    Abstract: The invention is directed to controlled release formulations containing drugs which are preferably considered sparingly soluble to insoluble and which are suitable for administration to a patient in need of treatment related thereto, and methods of manufacturing the same.
    Type: Application
    Filed: June 16, 2004
    Publication date: March 24, 2005
    Applicant: ANDRX PHARMACEUTICALS, LLC
    Inventors: Boyong Li, Avinash Nangia, Monte Browder
  • Patent number: 6756564
    Abstract: A method for receiving and collecting particulate matter from drilled or cut holes in a tablet on a turntable and transporting said particulate to a remote location is described.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: June 29, 2004
    Assignee: Andrx Pharmaceuticals LLC
    Inventor: Dacheng Tian