Patents by Inventor Mubeen Ahmed Khan

Mubeen Ahmed Khan 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: 8937188
    Abstract: A solid crystalline form of 1-(2-[4-(6-methoxy-3,4-dihydronaphthalene-1-y) phenoxy]ethyl)pyrrolidine, and a preparing process thereof are provided. The aforesaid compound is a key intermediate in the synthesis of lasofoxifene. A process for preparing lasofoxifene, a process for purifying lasofoxifene tartrate, and a crystalline form of lasofoxifene tartrate are also provided.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: January 20, 2015
    Assignee: Glenmark Generics Ltd.
    Inventors: Mubeen Ahmed Khan, Nikhil Rasiklal Trivedi, Nagan Nirmalan Kandasamy, Dayaghan Gangadhar Patil, Vipin Kumar Pandey, Sukumar Sinha
  • Patent number: 8623844
    Abstract: The present invention generally relates to a process for the preparation of fosaprepitant dimeglumine intermediate and its use in the preparation of fosaprepitant dimeglumine; to a neutral form of fosaprepitant in a solid state and processes for the preparation thereof; and to a stable amorphous fosaprepitant dimeglumine, having a stability at temperatures of about 2° C. to about 8° C. and at a relative humidity below at least 60%; and a process for the preparation thereof.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: January 7, 2014
    Inventors: Navin Ganesh Bhatt, Nikhil Rasiklal Trivedi, Mahesh Khedekar, Sukumar Sinha, Mubeen Ahmed Khan, Ramjilal Yadav
  • Patent number: 8450376
    Abstract: The present invention provides an amorphous bupropion hydrobromide and an amorphous bupropion hydrobromide granulates with at least one pharmaceutically acceptable carrier, and a process for its preparation.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: May 28, 2013
    Assignee: Glenmark Generics Ltd.
    Inventors: Shankar Sanganabhatla, Vijay Soni, Mubeen Ahmed Khan, Nandlal Agarwal, Hemanth Kamble, Sharad Gore
  • Patent number: 8334385
    Abstract: The present invention provides processes for the preparation of R-sitagliptin (as shown) and its pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: December 18, 2012
    Assignee: Glenmark Generics Limited
    Inventors: Sankar Arjunan, Mahendra Raghunath Patil, Mubeen Ahmed Khan
  • Publication number: 20120045648
    Abstract: A solid crystalline form of 1-(2-[4-(6-methoxy-3,4-dihydronaphthalene-1-y) phenoxy]ethyl)pyrrolidine, and a preparing process thereof are provided. The aforesaid compound is a key intermediate in the synthesis of lasofoxifene. A process for preparing lasofoxifene, a process for purifying lasofoxifene tartrate, and a crystalline form of lasofoxifene tartrate are also provided.
    Type: Application
    Filed: April 27, 2010
    Publication date: February 23, 2012
    Applicant: GLENMARK GENERRICS LTD
    Inventors: Mubeen Ahmed Khan, Nikhil Rasiklal Trivedi, Nagan Nirmalan Kandasamy, Dayaghan Gangadhar Patil, Vipin Kumar Pandey
  • 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
  • Patent number: 8097729
    Abstract: Processes for the purification of lercanidipine hydrochloride are provided which uses a binary system of an alcohol-containing solvent such as methanol and an aliphatic ester-containing solvent such as isopropyl acetate. Processes for the preparation of substantially amorphous lercanidipine hydrochloride are also provided. Also provided is lercanidipine hydrochloride substantially in polymorph form V.
    Type: Grant
    Filed: September 18, 2006
    Date of Patent: January 17, 2012
    Assignee: Glenmark Generics Ltd.
    Inventors: Mangesh Shivram Sawant, Maloyesh Mathuresh Biswas, Mubeen Ahmed Khan, Sukumar Sinha, Nitin Sharad Chandra Pradhan
  • Publication number: 20110312977
    Abstract: The present invention provides a process for preparation of racemic voriconazole in a single reaction vessel. The present invention also provides a process for preparation of voriconazole using racemic voriconazole and the process of making it therewith.
    Type: Application
    Filed: February 4, 2010
    Publication date: December 22, 2011
    Applicant: GLENMARK GENERICS LIMITED
    Inventors: Francis Paul D'Souza, Premkumar Ramraj Yadav, Shankar Sanganabhatla, Mubeen Ahmed Khan
  • Publication number: 20110281928
    Abstract: The present invention relates to a process for the preparation of zofenopril and its pharmaceutically acceptable salts and a pharmaceutical composition thereof. The present invention also provides structurally novel compounds, which are useful intermediates in the synthesis of zofenopril.
    Type: Application
    Filed: January 24, 2010
    Publication date: November 17, 2011
    Applicant: GLENMARK GENERICS LTD
    Inventors: Mubeen Ahmed Khan, Roop Singh Yadav, Nikhil Rasiklal Trivedi, Sachin Mahedo Lad
  • Publication number: 20110130366
    Abstract: The present invention generally relates to a process for the preparation of fosaprepitant dimeglumine intermediate and its use in the preparation of fosaprepitant dimeglumine; to a neutral form of fosaprepitant in a solid state and processes for the preparation thereof; and to a stable amorphous fosaprepitant dimeglumine, having a stability at temperatures of about 2° C. to about 8° C. and at a relative humidity below at least 60%; and a process for the preparation thereof.
    Type: Application
    Filed: July 17, 2009
    Publication date: June 2, 2011
    Applicant: GLENMARK GENERICS LMITED
    Inventors: Navin Ganesh Bhatt, Nikhil Rasiklal Trivedi, Mahesh Khedekar, Sukumar Sinha, Mubeen Ahmed Khan, Ramjilal Yadav
  • Publication number: 20110105619
    Abstract: The present invention provides an amorphous bupropion hydrobromide and an amorphous bupropion hydrobromide granulates with at least one pharmaceutically acceptable carrier, and a process for its preparation.
    Type: Application
    Filed: June 15, 2009
    Publication date: May 5, 2011
    Applicant: Glenmark Generics Ltd.
    Inventors: Shankar Sanganabhatla, Vijay Soni, Mubeen Ahmed Khan, Nandlal Agarwal, Hemanth Kamble, Sharad Gore
  • 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: 20100310870
    Abstract: The present invention relates to amorphous form of bazedoxifene acetate and a process for the preparation thereof.
    Type: Application
    Filed: March 16, 2010
    Publication date: December 9, 2010
    Applicant: GLENMARK GENERICS LTD.
    Inventors: Shankar Sanganabhatla, Sachin Srivastava, Dinesh Bansilal Deore, Anthony Melvin Crasto, Mubeen Ahmed Khan
  • Publication number: 20100274050
    Abstract: The present invention provides novel solid milnacipran in crystalline form-G and a process for its preparation. The present invention also provides a process for the preparation of milnacipran hydrochloride from the novel solid crystalline milnacipran.
    Type: Application
    Filed: July 6, 2009
    Publication date: October 28, 2010
    Applicant: Glenmark Generics Limited
    Inventors: Joseph Prabahar KOILPILLAI, Pravin Chhaburao THOMBRE, Sudam Nanabhau SINARE, Mubeen Ahmed KHAN
  • Publication number: 20100267959
    Abstract: The present invention relates to a process for the preparation of esomeprazole magnesium dihydrate, specifically, esomeprazole magnesium crystalline dihydrate form A; and pharmaceutical compositions thereof.
    Type: Application
    Filed: July 8, 2009
    Publication date: October 21, 2010
    Applicant: Glenmark Generics Limited
    Inventors: Joseph Prabahar KOILPILLAI, Pravin Bhalchandra Kulkami, Avikumar Digambar Dabe, Mubeen Ahmed Khan
  • Publication number: 20100256371
    Abstract: The present invention relates to processes for the preparation of bosentan and compounds that can be used as structurally novel intermediates for the synthesis thereof, and a pharmaceutical composition of the same.
    Type: Application
    Filed: March 16, 2010
    Publication date: October 7, 2010
    Applicant: Glenmark
    Inventors: Roop Singh Yadav, Mubeen Ahmed Khan, Sachin Mahadeo Lad, Nikhil Rasiklal Trivedi, Sankar Arjunan, Gajendra Laxman Pitale
  • Publication number: 20090318460
    Abstract: The present invention generally relates to an amorphous form of varenicline and its pharmaceutically acceptable salts thereof. More particularly the present invention relates to amorphous forms of varenicline and its L-tartrate salt; a process for their preparation and pharmaceutical compositions comprising the same.
    Type: Application
    Filed: May 20, 2009
    Publication date: December 24, 2009
    Applicant: GLENMARK
    Inventor: Mubeen Ahmed Khan
  • Publication number: 20090221833
    Abstract: Processes for the purification of lercanidipine hydrochloride are provided which uses a binary system of an alcohol-containing solvent such as methanol and an aliphatic ester-containing solvent such as isopropyl acetate. Processes for the preparation of substantially amorphous lercanidipine hydrochloride are also provided. Also provided is lercanidipine hydrochloride substantially in polymorph form V.
    Type: Application
    Filed: September 18, 2006
    Publication date: September 3, 2009
    Inventors: Mangesh Shivram Sawant, Maloyesh Mathuresh Biswas, Mubeen Ahmed Khan, Sukumar Sinha, Nitin Sharad Chandra Pradhan