Patents by Inventor Sachin Baban Gavhane

Sachin Baban Gavhane 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).

  • PROCESS FOR THE PREPARATION OF ABROCITINIB
    Publication number: 20220259209
    Abstract: The present invention relates to crystalline abrocitinib characterized by X-ray powder diffraction (XRPD) spectrum having peak reflections at about 12.9, 14.7, 19.4, 23.2 and 25.2±0.2 degrees 2 theta, and process for its preparation. The present invention relates to amorphous solid dispersion comprising abrocitinib or salt thereof together with at least one pharmaceutically acceptable carrier and process for its preparation.
    Type: Application
    Filed: June 16, 2020
    Publication date: August 18, 2022
    Inventors: Shekhar Bhaskar Bhirud, Suresh Mahadev Kadam, Sachin Baban Gavhane, Vishweshwar Peddy, Shailendra Nilkanth Bhadane, Vinayak Kacheshwar Bhujade
  • Process for the preparation of apremilast
    Patent number: 10494342
    Abstract: The present invention relates to a process for preparation of apremilast. The present invention relates to p-xylene solvate of apremilast and process for its preparation.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: December 3, 2019
    Assignee: Glenmark Life Sciences Limited
    Inventors: Shekhar Bhaskar Bhirud, Suresh Mahadev Kadam, Sachin Baban Gavhane, Sandeep Bandu Khandagale, Sunil Pandurang Nirgude, Ajit Shankar Mindhe, Rajesh Kumar Dwivedi
  • PROCESS FOR THE PREPARATION OF APREMILAST
    Publication number: 20190010123
    Abstract: The present invention relates to a process for preparation of apremilast. The present invention relates to p-xylene solvate of apremilast and process for its preparation.
    Type: Application
    Filed: August 22, 2016
    Publication date: January 10, 2019
    Inventors: Shekhar Bhaskar BHIRUD, Suresh Mahadev KADAM, Sachin Baban GAVHANE, Sandeep Bandu KHANDAGALE, Sunil Pandurang NIRGUDE, Ajit Shankar MINDHE, Rajesh Kumar DWIVEDI
  • Process for the preparation of arformoterol or salt thereof
    Patent number: 9499475
    Abstract: Provided is an improved process for the preparation of arformoterol L-(+)-tartrate, and more specifically provided is a novel process for the preparation of arformoterol L-(+)-tartrate via arformoterol D-(?)-tartrate.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: November 22, 2016
    Assignee: Glenmark Pharmaceuticals Limited
    Inventors: Shekhar Bhaskar Bhirud, Suresh Mahadev Kadam, Sachin Baban Gavhane, Shailesh Shrirang Pawase, Aniket Ashokrao Deshpande, Anil Subhash Bhujbal
  • PROCESS FOR THE PREPARATION OF ARFORMOTEROL OR SALT THEREOF
    Publication number: 20160083334
    Abstract: Provided is an improved process for the preparation of arformoterol L-(+)-tartrate, and more specifically provided is a novel process for the preparation of arformoterol L-(+)-tartrate via arformoterol D-(?)-tartrate.
    Type: Application
    Filed: May 15, 2014
    Publication date: March 24, 2016
    Inventors: Shekhar Bhaskar BHIRUD, Suresh Mahadev Kadam, Sachin Baban Gavhane, Shailesh Shrirang Pawase, Aniket Ashokrao Deshpande, Anil Subhash Bhujbal
  • Process for preparation of 4-amino-1-isobutyl-1H-imidazo[4,5-C]-quinoline (Imiquimod)
    Patent number: 7678912
    Abstract: A process for preparation of 1-isobutyl-1H-imidazo-[4,5-c]-quinoline-5-N-oxide, comprising oxidation of 1-isobutyl-1H-imidazoquinoline with meta-chloroperbenzoic acid.
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: March 16, 2010
    Assignee: USV, Ltd.
    Inventors: Venkatasubramanian Radhakrishnan Tarur, Suresh Mahadev Kadam, Anil Purushottam Joshi, Sachin Baban Gavhane
  • Process for Preparation of 4-amino-1-isobutyl-1H-Imidazo[4,5-C]-quinoline (Imiquimod)
    Publication number: 20090209764
    Abstract: A process for the preparation of imiquimod comprising oxidation of 1-Isobutyl-1H-imidazo quinoline quinoline (II) afforded 1-Isobutyl-1H-imidazo-[4,5-c]-quinoline-5-N-oxide (III) which is isolated in pure form as its hydrochloride salt (IV) followed by conversion to 4-chloro derivative (V) and conversion to corresponding 4-iodo derivative (VI) which is a new intermediate. This new intermediate in convened to imiquimod (VIII) and purified via its novel maleate salt.
    Type: Application
    Filed: April 6, 2009
    Publication date: August 20, 2009
    Inventors: Venkatasubramanian Radhakrishnan Tarur, Suresh Mahadev Kadam, Anil Purushottam Joshi, Sachin Baban Gavhane
  • Novel Process for Preparation of Bicalutamide
    Publication number: 20080177109
    Abstract: The present invention discloses a process for the synthesis of N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl)sulphonyl]-2-hydroxy-2-methyl propanamide (Form I). The invention discloses a reagent for oxidation of N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl)thio]-2-hydroxy-2-methyl propanamide to N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl)sulphonyl]-2-hydroxy-2-methyl propanamide. More particularly, the invention discloses a method of purification of N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl)sulphonyl]-2-hydroxy-2-methyl propanamide in a mixture of methylethyl ketone and hexane giving form (I). This form (I) is useful as an active pharmaceutical and has antiandrogenic activity.
    Type: Application
    Filed: May 10, 2005
    Publication date: July 24, 2008
    Applicant: USV LIMITED
    Inventors: Venkatasubramanian Radhakrishnan Tarur, Suresh Mahadev Kadam, Anil Purushottam Joshi, Sachin Baban Gavhane