Patents by Inventor Chandrasekhar Duvva

Chandrasekhar Duvva 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 2-amino-1,3-propane diol compounds and salts thereof
    Patent number: 9815772
    Abstract: The present disclosure relates to processes for the preparation of 2-amino-1,3-propane diol compounds and their hydrochloride salts. Particularly, the present disclosure relates to processes for synthesizing 2-amino-2-(2-(4-octylphenyl)ethyl)-1,3-propanediol and its hydrochloride salt 2-amino-2-(2-(4-octylphenyl)ethyl)-1,3-propanediol hydrochloride respectively. The said process is safe, commercially feasible for large-scale synthesis and has improved efficacy along with many other advantages. The present disclosure also relates to the novel polymorphs of 2-amino-1,3-propane diol compound and its hydrochloride salt, where in 2-amino-1,3-propane diol compound is 2-amino-2-(2-(4-octylphenyl)ethyl)-1,3-propanediol, and its hydrochloride salt is 2-amino-2-(2-(4-octylphenyl)ethyl)-1,3-propanediol hydrochloride.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: November 14, 2017
    Assignee: Biocon Limited
    Inventors: Kothakonda Kiran Kumar, Chandrashekar Aswathanarayanappa, Dharshan Jakkali Chandregowda, Chandrasekhar Duvva, Venkata Srinivas Pullela
  • A PROCESS FOR THE PREPARATION OF 2-AMINO-1,3-PROPANE DIOL COMPOUNDS AND SALTS THEREOF
    Publication number: 20160009634
    Abstract: The present disclosure relates to processes for the preparation of 2-amino-1,3-propane diol compounds and their hydrochloride salts. Particularly, the present disclosure relates to processes for synthesizing 2-amino-2-(2-(4-octylphenyl)ethyl)-1,3-propanediol and its hydrochloride salt 2-amino-2-(2-(4-octylphenyl)ethyl)-1,3-propanediol hydrochloride respectively. The said process is safe, commercially feasible for large-scale synthesis and has improved efficacy along with many other advantages. The present disclosure also relates to the novel polymorphs of 2-amino-1,3-propane diol compound and its hydrochloride salt, where in 2-amino-1,3-propane diol compound is 2-amino-2-(2-(4-octylphenyl)ethyl)-1,3-propanediol, and its hydrochloride salt is 2-amino-2-(2-(4-octylphenyl)ethyl)-1,3-propanediol hydrochloride.
    Type: Application
    Filed: March 4, 2014
    Publication date: January 14, 2016
    Inventors: Kothakonda Kiran Kumar, Chandrashekar Aswathanarayanappa, Dharshan Jakkali Chandregowda, Chandrasekhar Duvva, Venkata Srinivas Pullela