Patents by Inventor Hengsheng Feng

Hengsheng Feng 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).

  • Publication number: 20230017466
    Abstract: The present invention relates to bioavailable fill compositions containing one or more of a decongestant, an expectorant, an antitussive, an analgesic, and/or an antihistamine; capsules filled with the bioavailable fill compositions; and methods of making same.
    Type: Application
    Filed: September 19, 2022
    Publication date: January 19, 2023
    Applicant: PuraCap Pharmaceutical LLC
    Inventors: Minh Tran, Yi Zeng, Zhang Julia Zhang, Hengsheng Feng, Dahai Guo
  • Publication number: 20140037550
    Abstract: Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
    Type: Application
    Filed: October 4, 2013
    Publication date: February 6, 2014
    Applicant: TAKEDA PHARMACEUTICALS U.S.A., INC.
    Inventors: Matthew W. Davis, Shawn G. Watson, Hengsheng FENG
  • Patent number: 8415396
    Abstract: Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: April 9, 2013
    Assignee: Takeda Pharmaceuticals U.S.A., Inc.
    Inventors: Matthew W. Davis, Hengsheng Feng
  • Patent number: 8415395
    Abstract: Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: April 9, 2013
    Assignee: Takeda Pharmaceuticals U.S.A., Inc.
    Inventors: Matthew W. Davis, Hengsheng Feng
  • Publication number: 20120328677
    Abstract: An active agent composition includes particles containing a water-insoluble active agent or an active agent with a significant food effect; and a ternary amine polymer having both hydrophobic (meth)acrylate units and acid-soluble (meth)acrylate units, and an acidifying agent; wherein upon ingestion by a human subject, the acidifying agent facilitates the dissolution of the ternary amine polymer in the gastrointestinal tract.
    Type: Application
    Filed: August 30, 2012
    Publication date: December 27, 2012
    Applicant: MUTUAL PHARMACEUTICAL COMPANY, INC.
    Inventors: Maher S. Kudsi, Rakeshkumar K. Lad, Hengsheng Feng
  • Publication number: 20110263716
    Abstract: Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
    Type: Application
    Filed: July 1, 2011
    Publication date: October 27, 2011
    Applicant: MUTUAL PHARMACEUTICAL COMPANY, INC
    Inventors: Matthew W. DAVIS, Shawn G. Watson, Hengsheng FENG
  • Patent number: 7915247
    Abstract: Fenofibric acid formulations comprising 105 mg of fenofibric acid are described as well as methods of use thereof. Dosage forms include, for example, immediate-release dosage forms.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: March 29, 2011
    Assignee: Mutual Pharmaceutical Company, Inc.
    Inventors: Kristin Anne Arnold, Hengsheng Feng
  • Publication number: 20100159010
    Abstract: An active agent composition includes particles containing a water-insoluble active agent or an active agent with a significant food effect; and a ternary amine polymer having both hydrophobic (meth)acrylate units and acid-soluble (meth)acrylate units, and an acidifying agent; wherein upon ingestion by a human subject, the acidifying agent facilitates the dissolution of the ternary amine polymer in the gastrointestinal tract.
    Type: Application
    Filed: December 22, 2009
    Publication date: June 24, 2010
    Applicant: MUTUAL PHARMACEUTICAL COMPANY, INC.
    Inventors: Maher S. Kudsi, Rakeshkumar K. Lad, Hengsheng Feng
  • Patent number: 7741374
    Abstract: Fenofibric acid formulations comprising 105 mg of fenofibric acid are described as well as methods of use thereof. Dosage forms include, for example, immediate-release dosage forms.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: June 22, 2010
    Assignee: Mutual Pharmaceutical Company, Inc.
    Inventors: Kristin Anne Arnold, Hengsheng Feng
  • Patent number: 7741373
    Abstract: Fenofibric acid formulations comprising 105 mg of fenofibric acid are described as well as methods of use thereof. Dosage forms include, for example, immediate-release dosage forms.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: June 22, 2010
    Assignee: Mutual Pharmacuetical Company, Inc.
    Inventors: Kristin Anne Arnold, Hengsheng Feng
  • Publication number: 20090298948
    Abstract: Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
    Type: Application
    Filed: August 21, 2009
    Publication date: December 3, 2009
    Applicant: Mutual Pharmaceutical Company, Inc.
    Inventors: Mathew W. DAVIS, Shawn G. WATSON, Hengsheng FENG
  • Publication number: 20090215904
    Abstract: Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
    Type: Application
    Filed: May 13, 2009
    Publication date: August 27, 2009
    Applicant: MUTUAL PHARMACEUTICAL COMPANY, INC.
    Inventors: Matthew W. Davis, Shawn G. Watson, Hengsheng Feng
  • Patent number: 7569612
    Abstract: Fenofibric acid formulations comprising 105 mg of fenofibric acid are described as well as methods of use thereof. Dosage forms include, for example, immediate-release dosage forms.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: August 4, 2009
    Assignee: Mutual Pharmaceutical Company, Inc.
    Inventors: Kristin Anne Arnold, Hengsheng Feng
  • Publication number: 20090170952
    Abstract: Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
    Type: Application
    Filed: March 20, 2009
    Publication date: July 2, 2009
    Applicant: MUTUAL PHARMACEUTICAL COMPANY, INC.
    Inventors: Matthew W. DAVIS, Shawn G. WATSON, Hengsheng FENG
  • Publication number: 20090093548
    Abstract: Stable ultrapure colchicine compositions comprising ultrapure colchicine and a pharmaceutically acceptable excipient are described. The compositions can be tablets. Methods for preparing such compositions and methods of use are also disclosed. Methods of treating gout flares with colchicine compositions are also disclosed.
    Type: Application
    Filed: October 6, 2008
    Publication date: April 9, 2009
    Applicant: MUTUAL PHARMACEUTICAL COMPANY, INC
    Inventors: Mathew W. Davis, Shawn G. Watson, Hengsheng Feng
  • Publication number: 20090074872
    Abstract: Stable fenofibrate suspensions are disclosed herein. A fenofibrate composition includes fenofibrate nanoparticles having an average particle size of less than 500 nm, and a particle sequestrant, wherein the average particle size of the nanoparticulate suspension changes by less than 50% after standing at room temperature for 21 or more days.
    Type: Application
    Filed: November 20, 2008
    Publication date: March 19, 2009
    Applicant: MUTUAL PHARMACEUTICAL COMPANY, INC.
    Inventors: Kristin Anne Arnold, Hengsheng Feng
  • Publication number: 20080220076
    Abstract: Active agent compositions comprising active agent particles having an effective average particle size of less than 2000 nm, wherein the compositions comprise a particle sequestrant are disclosed. Compositions having an effective average particle size of less than 2000 nm, wherein the compositions comprise no added surfactants, phospholipids, or combinations thereof, are also disclosed.
    Type: Application
    Filed: May 16, 2008
    Publication date: September 11, 2008
    Applicant: MUTUAL PHARMACEUTICAL COMPANY, INC.
    Inventors: Kristin Anne Arnold, Hengsheng Feng, Kurt R. Nielsen
  • Publication number: 20080050450
    Abstract: Active agent compositions comprising active agent particles having an effective average particle size of less than 2000 nm, wherein the compositions comprise a particle sequestrant are disclosed. Compositions having an effective average particle size of less than 2000 nm, wherein the compositions comprise no added surfactants, phospholipids, or combinations thereof, are also disclosed. In some embodiments, the active agent is fenofibrate. In other embodiments, the fenofibrate compositions are in a treatment form that that is bioequivalent to TriCorĀ® 145 mg or 48 mg.
    Type: Application
    Filed: June 26, 2007
    Publication date: February 28, 2008
    Applicant: MUTUAL PHARMACEUTICAL COMPANY, INC.
    Inventors: Kristin Arnold, Hengsheng Feng, Kurt Nielsen
  • Publication number: 20060263429
    Abstract: A compressible mixture prepared from a waxy filler, cellulose filler, or a mixture thereof and a disintegrant is disclosed for the preparation of compressed pharmaceutical compositions containing coated pellets. The resulting compressed compositions exhibit substantially the same dissolution profiles as the pellets in the absence of the compressible mixture.
    Type: Application
    Filed: May 20, 2005
    Publication date: November 23, 2006
    Inventor: Hengsheng Feng
  • Publication number: 20060204575
    Abstract: Amphetamine formulations comprise a plurality of particles comprising two or more pharmaceutically active amphetamine salts, wherein the dosage form, when administered under fed conditions provides a reduced variability in bioavailability as compared to the dosage form administered under fasted conditions.
    Type: Application
    Filed: March 11, 2005
    Publication date: September 14, 2006
    Inventors: Hengsheng Feng, Grant Heinicke