Patents by Inventor Mahendra R. Patel

Mahendra R. Patel 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: 20180050017
    Abstract: A kit for treating psychosis by administering a pharmaceutically acceptable liquid composition of Asenapine to oral mucosa includes a formulation having Asenapine, or a pharmaceutically acceptable salt or hydrate thereof, ethanol, and water and a multidose pump filled with the formulation. The Asenapine compositions are stable for an extended period of time at normal storage conditions.
    Type: Application
    Filed: August 21, 2017
    Publication date: February 22, 2018
    Inventor: Mahendra R. Patel
  • Publication number: 20170095509
    Abstract: The present invention provides a method for designing a ferric pyrophosphate citrate complex composition containing pyrophosphate, citrate, ferric, sodium, and sulfate ions and calculating and adjusting each salt needed based on a choice of salts that contain the above ions and a desired concentration of each ion in the final product. The present invention also provides a process for preparing a pharmaceutical dosage form of ferric pyrophosphate citrate complex composition in liquid form which is ready to be administrated to patients in need and which maintains the mass balance of ion sources throughout the process.
    Type: Application
    Filed: October 5, 2016
    Publication date: April 6, 2017
    Inventors: Mahendra R. Patel, Shrenik K. Shah
  • Patent number: 9603930
    Abstract: The present invention provides stable bendamustine-containing pharmaceutical compositions suitable for long term storage. The compositions include bendamustine, a pharmaceutically acceptable salt, and/or a hydrate form thereof, a solvent mixture of N,N-dimethylacetamide and glycerin, and an antioxidant. The bendamustine-containing compositions have less than about 2% of total impurities after two month storage at 25° C./60% RH. The pharmaceutical compositions may be used for treating neoplastic diseases.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: March 28, 2017
    Assignee: Navinta, LLC
    Inventor: Mahendra R. Patel
  • Patent number: 9475891
    Abstract: A novel process of manufacturing colesevelam hydrochloride including the steps of alkylating polyallylamine with n-decylbromide and 6-bromohexyl trimethyl ammonium bromide, followed by cross-linking the alkylated polyallylamine with epichlorohydrin in an aqueous medium, and adding a suitable chloride ion source to obtain colesevelam hydrochloride.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: October 25, 2016
    Assignee: Navinta, LLC
    Inventor: Mahendra R. Patel
  • Publication number: 20160158362
    Abstract: The present invention provides stable bendamustine-containing pharmaceutical compositions suitable for long term storage. The compositions include bendamustine, a pharmaceutically acceptable salt, and/or a hydrate form thereof, a solvent mixture of N,N-dimethylacetamide and glycerin, and an antioxidant. The bendamustine-containing compositions have less than about 2% of total impurities after two month storage at 25° C./60% RH. The pharmaceutical compositions may be used for treating neoplastic diseases.
    Type: Application
    Filed: December 4, 2015
    Publication date: June 9, 2016
    Inventor: Mahendra R. Patel
  • Publication number: 20160136116
    Abstract: The present invention provides pharmaceutical formulations of lyophilized carmustine suitable for pharmaceutical use. The present invention further provides methods of producing lyophilized carmustine. The pharmaceutical formulations can be used for any disease that is sensitive to treatment with carmustine, such as neoplastic diseases.
    Type: Application
    Filed: November 9, 2015
    Publication date: May 19, 2016
    Inventor: Mahendra R. Patel
  • Publication number: 20150087681
    Abstract: The present invention provides a lyophilized bendamustine hydrochloride (HCL) pharmaceutical composition. The present invention further provides methods of producing the lyophilized bendamustine HCL composition from a composition including bendamustine HCL, mannitol, formic acid, and water. The pharmaceutical formulation can be used for any disease that is sensitive to treatment with bendamustine, such as neoplastic diseases.
    Type: Application
    Filed: September 25, 2014
    Publication date: March 26, 2015
    Inventors: Pranav Patel, Mahendra R. Patel
  • Publication number: 20150080532
    Abstract: A novel process of manufacturing colesevelam hydrochloride including the steps of alkylating polyallylamine with n-decylbromide and 6-bromohexyl trimethyl ammonium bromide, followed by cross-linking the alkylated polyallylamine with epichlorohydrin in an aqueous medium, and adding a suitable chloride ion source to obtain colesevelam hydrochloride.
    Type: Application
    Filed: September 18, 2014
    Publication date: March 19, 2015
    Inventor: Mahendra R. Patel
  • Publication number: 20140275260
    Abstract: The invention provides a process for preparing stable, high API content, solid pharmaceutical dosage forms by direct compression or dry granulation, characterized in that the pharmaceutical tablets rapidly disintegrate in water or other aqueous solutions to produce a clear or almost clear solution. Also provided is a pharmaceutical carglumic acid tablet, which has improved manufacturing, dissolution, and stability properties, and is less expensive to produce, compared to the equivalent commercial product.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Inventors: Sanjay Rangnathrao Kawale, Mahendra R. Patel
  • Patent number: 8729229
    Abstract: The present invention relates to processes for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: May 20, 2014
    Assignee: Sandoz AG
    Inventors: Anup Kumar Ray, Hiren Kumar V. Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R. Patel, Ingolf Macher
  • Patent number: 8536305
    Abstract: The present invention relates to an improved process for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: September 17, 2013
    Assignee: Sandoz AG
    Inventors: Anup K Ray, Hiren V Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R Patel, Ingolf Macher
  • Publication number: 20130115253
    Abstract: A stabilized pharmaceutical composition comprises a drug-resin complex wherein the resin has been treated with an alkaline material prior to the formation of the drug-resin complex. The drug-resin complex may further be impregnated with an alkalizing agent, L-methionine, an antioxidant agent, or a combination thereof, or be coated with a diffusion barrier. A method of preparation of the pharmaceutical composition is provided.
    Type: Application
    Filed: November 7, 2012
    Publication date: May 9, 2013
    Inventors: Mahendra R. Patel, Amol S. Matharu
  • Patent number: 7943585
    Abstract: An extended-release antibiotic composition comprising at least one antibiotic, and greater than 50 weight percent, based on the total weight of the composition, of a polymer component, wherein said polymer component comprises at least one pharmaceutically acceptable hydrophilic polymer, and said polymer component has a viscosity of less than about 50 cps.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: May 17, 2011
    Assignee: Sandoz, Inc.
    Inventors: Mahendra R. Patel, Bhaskarbhai C. Patel, Amol Singh Matharu
  • Patent number: 7939104
    Abstract: A pharmaceutical composition having improved solubility comprising a hydrophobic drug or pharmaceutically acceptable salt thereof and a compound having at least one carboxylic acid moiety, wherein the molar ratio of the compound having at least one carboxylic acid moiety to the hydrophobic drug or pharmaceutically acceptable salt thereof is from about 0.1:1 to about 25:1. The pharmaceutical composition exhibits rapid dissolution upon contact with physiological solvents, such as water, saliva or gastrointestinal fluids.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: May 10, 2011
    Assignee: Sandoz AG
    Inventors: Gary Barbera, Chetan Chhabildas Doshi, Mahendra R Patel, Pablo Davila, Satishkumar Ambalal Patel
  • Patent number: 7834176
    Abstract: The invention provides an Olanzapine pseudopolymoph Form E. The invention provides methods of preparing polymorphic Olanzapine Form E employing rapid crystallization and seeding. The invention provides methods of preparing anhydrous Olanzapine Form I from the Olanzapine Form E by step-wise drying.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: November 16, 2010
    Assignee: Sandoz AG
    Inventors: Anup Kumar Ray, Hiren Kumar V. Patel, Johannes Ludescher, Mahendra R. Patel
  • Publication number: 20100234566
    Abstract: The present invention relates to an improved process for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.
    Type: Application
    Filed: March 19, 2010
    Publication date: September 16, 2010
    Inventors: Anup Kumar Ray, Hiren Kumar V. Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R. Patel, Ingolf Macher
  • Publication number: 20100234272
    Abstract: The present invention relates to an improved process for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.
    Type: Application
    Filed: March 18, 2010
    Publication date: September 16, 2010
    Inventors: Anup Kumar Ray, Hiren Kumar V. Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R. Patel, Ingolf Macher
  • Publication number: 20100174048
    Abstract: The present invention relates to an improved process for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.
    Type: Application
    Filed: March 19, 2010
    Publication date: July 8, 2010
    Inventors: Anup Kumar Ray, Hiren Kumar V. Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R. Patel, Ingolf Macher
  • Patent number: 7727556
    Abstract: A pharmaceutical composition having improved solubility comprising a hydrophobic drug or pharmaceutically acceptable salt thereof and a compound having at least one carboxylic acid moiety, wherein the molar ratio of the compound having at least one carboxylic acid moiety to the hydrophobic drug or pharmaceutically acceptable salt thereof is from about 0.1:1 to about 25:1. The pharmaceutical composition exhibits rapid dissolution upon contact with physiological solvents, such as water, saliva or gastrointestinal fluids.
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: June 1, 2010
    Assignee: Sandoz AG
    Inventors: Gary Barbera, Chetan Chhabildas Doshi, Mahendra R Patel, Pablo Davila, Satishkumar Ambalal Patel
  • Publication number: 20080188465
    Abstract: A process for the preparation of polymorph Form I of 2-methyl-4-(4-methyl-1-piperazinyl)-10H-thieno[2.3-b][1,5]benzodiazepine, or olanzapine.
    Type: Application
    Filed: October 30, 2007
    Publication date: August 7, 2008
    Inventors: Hiren V. Patel, Anup K. Ray, Pramod B. Patel, Mahendra R. Patel