Patents by Inventor Sachin Arun Sasane

Sachin Arun Sasane 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: 10479776
    Abstract: The present invention provides an improved process for the preparation of Efinaconazole in higher yield by the ring-opening addition reaction of epoxytriazole with 4-methylenepiperidine or its acid addition salt under mild conditions without using a large excess of 4-methylenepiperidine in the presence of an alkali or an alkaline earth metal halide.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: November 19, 2019
    Assignee: LUPIN LIMITED
    Inventors: Sachin Arun Sasane, Devendrakumar Paramsukh Varma, Rajesh Harishankar Vyas, Nandu Baban Bhise, Girij Pal Singh, Krishnat Hanmant Kumbhar
  • Publication number: 20180118714
    Abstract: The present invention provides an improved process for the preparation of Efinaconazole in higher yield by the ring-opening addition reaction of epoxytriazole with 4-methylenepiperidine or its acid addition salt under mild conditions without using a large excess of 4-methylenepiperidine in the presence of an alkali or an alkaline earth metal halide.
    Type: Application
    Filed: May 10, 2016
    Publication date: May 3, 2018
    Inventors: Sachin Arun SASANE, Devendrakumar Paramsukh VARMA, Rajesh Harishankar VYAS, Nandu Baban BHISE, Girij Pal SINGH, Krishnat Hanmant KUMBHAR
  • Publication number: 20130225845
    Abstract: The present invention relates to the process for the preparation of estradiol valerate (I) which involves isolation of crystalline estradiol divalerate (III) by crystallization from an alcoholic solvent.
    Type: Application
    Filed: October 28, 2011
    Publication date: August 29, 2013
    Applicant: LUPIN LIMITED
    Inventors: Sachin Arun Sasane, Vijay Ashok Ahire, Rajesh Vyas, Nandu Baban Bhise, Girij Pal Singh
  • Patent number: 7678928
    Abstract: An improved method for manufacture of simvastatin of formula (I) in high purity. The process for preparation of compound (I) comprises the steps of agitating a compound of formula (II), wherein R is hydrogen, NH4+ or an alkali metal in an organic solvent and in an inert atmosphere at a temperature of between 27° C. to 40° C. in the presence of a weak acid followed by neutralization with an organic base and obtaining compound of formula (I) in high purity and substantially free of impurities through a step of isolation and crystallization.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: March 16, 2010
    Assignee: Lupin Limited
    Inventors: Subhash Rajaram Kadam, Mahendra Raghunath Patil, Madhukar Shaligram Patil, Sachin Arun Sasane
  • Publication number: 20080214843
    Abstract: An improved method for manufacture of simvastatin of formula (I) in high purity. The process for preparation of compound (I) comprises the steps of agitating a compound of formula (II), wherein R is hydrogen, NH4+ or an alkali metal in an organic solvent and in an inert atmosphere at a temperature of between 27° C. to 40° C. in the presence of a weak acid followed by neutralization with an organic base and obtaining compound of formula (I) in high purity and substantially free of impurities through a step of isolation and crystallization.
    Type: Application
    Filed: June 17, 2005
    Publication date: September 4, 2008
    Applicant: Lupin Limited
    Inventors: Subhash Rajaram Kadam, Mahendra Raghunath Patil, Madhukar Shaligram Patil, Sachin Arun Sasane