Patents by Inventor Anil Khile

Anil Khile 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).

  • Novel polymorph form M of mifepristone and process for its preparation
    Publication number: 20070105828
    Abstract: Mifepristone substantially in polymorph form M is provided. Also provided is a process for the preparation of polymorph form M of mifepristone comprising the steps of (a) dissolving crude mifepristone in a polar solvent at an elevated temperature to obtain a clear solution; (b) cooling the solution to a temperature and for a time period sufficient to form a precipitate of mifepristone crystals; and (c) isolating the precipitate of mifepristone crystals to obtain the polymorph form M of mifepristone.
    Type: Application
    Filed: August 18, 2006
    Publication date: May 10, 2007
    Applicant: Glenmark Pharmaceuticals Limited
    Inventors: Narendra Joshi, Anil Khile, Nitin Pradhan
  • Process for the preparation of anastrozole and intermediates thereof
    Publication number: 20060189670
    Abstract: A process for the preparation of anastrozole is provided, the process comprising: (a) reacting 3,5-bis(1-cyano-1-methylethyl)benzyl halide with a 4-Z-1,2,4-triazole compound of the formula wherein Z is a protecting group to produce 2,2?-[5-(4-Z-1,2,4-triazolium-1-ylmethyl)-1,3-phenylene]di(2-methylpropionitrile) halide; and (b) deprotecting the 2,2?-[5-(4-Z-1,2,4-triazolium-1-ylmethyl)-1,3-phenylene]di(2-methylpropionitrile)halide to produce anastrozole. Also provided is anastrozole substantially free of its isomers.
    Type: Application
    Filed: February 22, 2006
    Publication date: August 24, 2006
    Applicant: Glenmark Pharmaceuticals Limited
    Inventors: Anil Khile, Narendra Joshi, Shekhar Bhirud