Patents by Inventor Abhinay C. Pise

Abhinay C. Pise 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).

  • Purification of posaconazole and of posaconazole intermediates
    Patent number: 9206146
    Abstract: The present invention relates to a process for the preparation of a hydrogen chloride (HCl) salt of a compound of formula (I) wherein Y1 and Y2 are independently F or Cl, preferably F, said compound of formula (I) containing the cis-isomer and the trans-isomer, wherein the process comprises (1) providing the compound of formula (I) comprised in a first suitable solvent; and (2) treating the compound of formula (I) comprised in the first suitable solvent with HCl comprised in a second suitable solvent to obtain the HCl salt of the compound of formula (I).
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: December 8, 2015
    Assignee: SANDOZ AG
    Inventors: Martin Langner, Dominic De Souza, Abhinay C. Pise, Sachin Bhuta
  • Preparation of posaconazole intermediates
    Patent number: 9073904
    Abstract: The present invention relates to process for the preparation of a chiral compound of formula (IX) or a salt thereof, wherein Y1 and Y2 are independently F or Cl, preferably F, the crystalline compound of formula (IX) as such, and its use for the preparation of an antifungal agent.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: July 7, 2015
    Assignee: SANDOZ AG
    Inventors: Dominic De Souza, Shreerang V. Joshi, Sachin Bhuta, Abhinay C. Pise, Dattatraya N. Chavan, Shashikant D. Metkar
  • PURIFICATION OF POSACONAZOLE AND OF POSACONAZOLE INTERMEDIATES
    Publication number: 20130211086
    Abstract: The present invention relates to a process for the preparation of a hydrogen chloride (HCl) salt of a compound of formula (I) wherein Y1 and Y2 are independently F or Cl, preferably F, said compound of formula (I) containing the cis-isomer and the trans-isomer, wherein the process comprises (1) providing the compound of formula (I) comprised in a first suitable solvent; and (2) treating the compound of formula (I) comprised in the first suitable solvent with HCl comprised in a second suitable solvent to obtain the HCl salt of the compound of formula (I).
    Type: Application
    Filed: May 18, 2011
    Publication date: August 15, 2013
    Applicant: SANDOZ AG
    Inventors: Martin Langner, Dominic De Souza, Abhinay C. Pise, Sachin Bhuta
  • PREPARATION OF POSACONAZOLE INTERMEDIATES
    Publication number: 20130203994
    Abstract: The present invention relates to process for the preparation of a chiral compound of formula (IX) or a salt thereof, wherein Y1 and Y2 are independently F or Cl, preferably F, the crystalline compound of formula (IX) as such, and its use for the preparation of an antifungal agent.
    Type: Application
    Filed: May 18, 2011
    Publication date: August 8, 2013
    Applicant: SANDOZ AG
    Inventors: Dominic De Souza, Shreerang V. Joshi, Sachin Bhuta, Abhinay C. Pise, Dattatraya N. Chavan, Shashikant D. Metkar