Patents by Inventor Mintong Guo

Mintong Guo 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: 8168228
    Abstract: An oral suspension comprising (a) an antibiotic composition which comprises coated micropellets and optionally one or more excipients, (b) additional excipients, and (c) a solvent, wherein said coated micropellets comprise (i) a core comprising at least one antibiotic; (ii) an inner coating comprising at least one cellulose polymer which is not an enteric coating polymer; and (iii) an outer coating comprising at least one enteric coating polymer, wherein said coated micropellets have a mean particle size of about 100 ?m to about 650 ?m. The oral suspension of the invention is characterized by a lack of bitter taste.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: May 1, 2012
    Assignee: Sandoz AG
    Inventors: Indranil Nandi, Mintong Guo, Chad Michael Gassert, Franz Xaver Schwarz, Irina Kosilek
  • Publication number: 20070134344
    Abstract: The invention provides an antibiotic composition comprising coated micropellets and a method for preparing said antibiotic composition.
    Type: Application
    Filed: October 15, 2004
    Publication date: June 14, 2007
    Inventors: Indranil Nandi, Mintong Guo, Chad Gassert
  • Publication number: 20070048379
    Abstract: A process for preparing a pharmaceutical tablet comprising: (a) mixing a valproate compound with at least one excipient to form a premix; (b) adding a sufficient amount of water to the premix of Step (a) and mixing to form a wet granulation; (c) drying the wet granulation of Step (b) at a temperature and time sufficient to form granules, wherein the granules are essentially free of an organic solvent; (d) coating the granules of Step (c) to form coated granules; and (e) compressing the coated granules of Step (d) to form a tablet. The aqueous granulation of the invention does not have the environmental and safety drawbacks of organic solvent granulations.
    Type: Application
    Filed: August 29, 2005
    Publication date: March 1, 2007
    Inventors: Mintong Guo, Han-Pin Lim
  • Publication number: 20060193915
    Abstract: A pharmaceutical composition for oral administration comprising a compression coated solid dosage form of a bitter or unpleasant tasting pharmaceutically active agent. Included are compression coated oral dosage forms of 3-[2-(dimethylamino)ethyl]-N-methyl-1H-indole-5-methanesulphonamide or a pharmaceutically acceptable salt or solvate thereof as active ingredient. The compression coated solid dosage forms are of use in the treatment of conditions associated with cephalic pain, in particular migraine.
    Type: Application
    Filed: February 6, 2006
    Publication date: August 31, 2006
    Inventors: Mintong Guo, Indranil Nandi, Ashish Patel, Chuanbin Wu
  • Publication number: 20060182806
    Abstract: An extended-release pharmaceutical composition comprising a core and a coating, wherein said core comprises propranolol or a pharmaceutically acceptable salt thereof and at least one excipient, and said coating comprises at least one water-soluble polymer and at least one water-insoluble polymer, wherein said coating is heated at a temperature of about 30° C. to about 70° C. after being applied to said core.
    Type: Application
    Filed: November 7, 2005
    Publication date: August 17, 2006
    Inventors: Mintong Guo, Suresh Palaniswamy, Ashish Patel, Chad Gassert, Pablo Davila
  • Publication number: 20050220877
    Abstract: A pharmaceutical composition in the form of a bilayer tablet comprising: (a) a first discrete portion made with Formulation (A) which comprises a sympathomimetic drug, or a pharmaceutically acceptable salt thereof, and a first carrier base material which provides a sustained-release of the sympathomimetic drug or the pharmaceutically acceptable salt thereof, said first carrier base material comprising a mixture of: (i) a filler; (ii) a cellulose binder selected from the group consisting of hydroxypropyl methylcellulose, hydroxypropyl cellulose, and mixtures thereof, wherein the hydroxypropyl cellulose has a molecular weight of at least 80,000; (iii) ethylcellulose; (iv) a wax; and (v) a lubricant; and (b) a second discrete portion made with Formulation (B) which comprises a piperidinoalkanol compound, or a pharmaceutically acceptable salt thereof, and a second carrier base material which provides an immediate-release of the piperidinoalkanol or the pharmaceutically acceptable salt thereof, said second carrier
    Type: Application
    Filed: March 31, 2004
    Publication date: October 6, 2005
    Inventors: Ashish Patel, Mintong Guo, Amol Matharu
  • Publication number: 20050084541
    Abstract: An oral suspension comprising (a) an antibiotic composition which comprises coated micropellets and optionally one or more excipients, (b) additional excipients, and (c) a solvent, wherein said coated micropellets comprise (i) a core comprising at least one antibiotic; (ii) an inner coating comprising at least one cellulose polymer which is not an enteric coating polymer; and (iii) an outer coating comprising at least one enteric coating polymer, wherein said coated micropellets have a mean particle size of about 100 ?m to about 650 ?m. The oral suspension of the invention is characterized by a lack of bitter taste.
    Type: Application
    Filed: January 30, 2004
    Publication date: April 21, 2005
    Inventors: Indranil Nandi, Mintong Guo, Chad Gassert, Franz Schwarz, Irina Kosilek
  • Publication number: 20050084540
    Abstract: A taste masking composition comprising micropellets containing an antibiotic wherein said micropellets have an inner coating comprising at least one cellulose polymer which is not an enteric coating polymer and an outer coating comprising an enteric coating polymer, wherein said micropellets have a particle size of about 100 ?m to about 650 ?m. The micropellets are characterized by (i) a lack of bitter taste; (ii) fast dissolution; and (iii) increased bioavailability of antibiotic as compared to antibiotic containing pellets having a drug-polymer matrix.
    Type: Application
    Filed: October 17, 2003
    Publication date: April 21, 2005
    Inventors: Indranil Nandi, Mintong Guo, Chad Gassert
  • Publication number: 20040068000
    Abstract: A pharmaceutical composition for oral administration comprising a compression coated solid dosage form of a bitter or unpleasant tasting pharmaceutically active agent. Included are compression coated oral dosage forms of 3-[2-(dimethylamino)ethyl]-N-methyl-1H-indole-5-methanesulphonamide or a pharmaceutically acceptable salt or solvate thereof as active ingredient. The compression coated solid dosage forms are of use in the treatment of conditions associated with cephalic pain, in particular migraine.
    Type: Application
    Filed: October 2, 2002
    Publication date: April 8, 2004
    Inventors: Mintong Guo, Indranil Nandi, Ashish Anilbhai Patel, Chuanbin Wu