Patents by Inventor Arvapally Seshu Kumar

Arvapally Seshu Kumar 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).

  • Publication number: 20130101630
    Abstract: Provided herein is an impurity of varenicline, methylvarenicline, 6-methyl-5,8,14-triazatetracyclo[10.3.1.02,11,04,9]hexadeca-2(11),3,5,7,9-pentaene, and a process for the preparation and isolation thereof. Provided further herein is a highly pure varenicline or a pharmaceutically acceptable salt thereof substantially free of methylvarenicline impurity, processes for the preparation thereof, and pharmaceutical compositions comprising highly pure varenicline or a pharmaceutically acceptable salt thereof substantially free of methylvarenicline impurity.
    Type: Application
    Filed: March 8, 2011
    Publication date: April 25, 2013
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Nitin Sharadchandra Pradhan, Arvapally Seshu Kumar, Nikhil Trivedi, Krishnadatt Sharma
  • Publication number: 20120093887
    Abstract: Disclosed herein is a stable amorphous coprecipitate comprising varenicline tartrate and a pharmaceutically acceptable excipient selected from the group consisting of maltodextrin, lactose monohydrate and 2-hydroxypropyl-?-cyclodextrin, method for the preparation, pharmaceutical compositions, and method of treating thereof. Advantageously, the amorphous coprecipitates of varenicline tartrate disclosed herein have improved physiochemical characteristics that assist in the effective bioavailability.
    Type: Application
    Filed: June 9, 2010
    Publication date: April 19, 2012
    Applicant: ACTAVIS GROUP PTC EHF
    Inventors: Krishnadatt Sharma, Arvapally Seshu Kumar, Nitin Sharadchandra Pradhan