Patents by Inventor Sanjay Anantha Kale

Sanjay Anantha Kale 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: 8624041
    Abstract: A process for the preparation of strontium ranelate or a hydrate thereof is provided comprising (a) reacting a tetraester compound of Formula II: wherein R, R1, R2, and R3 are independently a linear or branched C1-C6 alkyl group or a substituted or unsubstituted C3-C12 cyclic group, in the presence of a lithium base and in a solvent with an inorganic acid salt of strontium.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: January 7, 2014
    Assignee: Glenmark Generics Ltd.
    Inventors: Bobba Venkata Siva Kumar, Kosampally Srinivas, Sanjay Anantha Kale, Nitin Sharad Chandra Pradhan
  • Publication number: 20120028045
    Abstract: The present invention relates to processes for the preparation of indiplon and its polymorphic mixtures.
    Type: Application
    Filed: March 18, 2010
    Publication date: February 2, 2012
    Applicant: Glenmark Generics LTD
    Inventors: Joseph Prabahar Koilpillai, Sanjay Anantha Kale, Laxmikant Madhukar Kelkar, Sunil Sudhakar Zope, Mubeen Ahmed Khan
  • Publication number: 20110087024
    Abstract: The present invention relates to a process for the preparation of 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one; and its use in the synthesis of paliperidone.
    Type: Application
    Filed: April 20, 2009
    Publication date: April 14, 2011
    Applicant: GLENMARK HOUSE
    Inventors: Koilpillai Joseph Prabahar, Pravin Bhalchandra Kulkarni, Laxmikant Madhukar Kelkar, Sanjay Anantha Kale, Shashank Gopal Potdar, Krishna Baban Narwade, Mubeen Ahmed Khan, Jitendra Ramakant Thorat
  • Publication number: 20090214631
    Abstract: A process for the preparation of strontium ranelate or a hydrate thereof is provided comprising (a) reacting a tetraester compound of Formula II: wherein R, R1, R2, and R3 are independently a linear or branched C1-C6 alkyl group or a substituted or unsubstituted C3-C12 cyclic group, in the presence of a lithium base and in a solvent with an inorganic acid salt of strontium.
    Type: Application
    Filed: August 18, 2006
    Publication date: August 27, 2009
    Inventors: Bobba Venkata Siva Kumar, Kosampally Srinivas, Sanjay Anantha Kale, Nitin Sharad Chandra Pradhan
  • Patent number: 7459553
    Abstract: A process for preparing 5H-dibenz[b,f]azepine-5-carboxamide of the general formula: wherein R1, R2, R3 and R4 are the same or different and can be hydrogen, halogen, nitro, cyano, carboxyl, R, —CO(R), —OCO(R), —O(R), —N(R)2, —CON(R)2, and —COO(R), wherein R is selected from the group consisting of C1-C10 alkyl, C3-C10 cycloalkyl, C2-C10 alkenyl, C5-C10 cycloalkenyl, C2-C10 alkynyl, and C6-C20 aryl, wherein the two A groups of —N(A)2 and —CON(A)2 can be the same or different, and wherein R2 and R3 can together form a bond is provided; the process comprising reacting 5H-dibenz[b,f]azepine of the general formula wherein R1, R2, R3 and R4 have the aforementioned meanings, with one or more alkali or alkaline-earth cyanates and in the presence of one or more unsaturated dicarboxylic acids.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: December 2, 2008
    Assignee: Glenmark Generics Ltd.
    Inventors: Bobba Venkata Sivakumar, Shekhar Bhaskar Bhirud, Chandrasekhar Batchu, Sanjay Anantha Kale