Patents by Inventor Susheela Bhaskar Idage

Susheela Bhaskar Idage 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 hydroxyl functional esters and polyesters therefrom
    Patent number: 10266478
    Abstract: The present invention relates to a novel process for the preparation of a linear monomer alkyl lactyl lactate by a simple esterification reaction of acid with ester in presence of suitable catalysts or reagents. The present invention further relates to a process for the preparation of poly acid from alkyl lactyl lactate by using suitable catalyst.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: April 23, 2019
    Assignee: Council of Scientific and Industrial Research
    Inventors: Yogesh Ramesh Nevare, Susheela Bhaskar Idage, Bhaskar Bhairavnath Idage, Swaminathan Sivaram
  • A NOVEL PROCESS FOR THE PREPARATION OF HYDROXYL FUNCTIONAL ESTERS AND POLYESTERS THEREFROM
    Publication number: 20180022681
    Abstract: The present invention relates to a novel process for the preparation of a linear monomer alkyl lactyl lactate by a simple esterification reaction of acid with ester in presence of suitable catalysts or reagents. The present invention further relates to a process for the preparation of poly acid from alkyl lactyl lactate by using suitable catalyst.
    Type: Application
    Filed: January 29, 2016
    Publication date: January 25, 2018
    Inventors: Yogesh Ramesh Nevare, Susheela Bhaskar Idage, Bhaskar Bhairavnath Idage, Swaminathan Sivaram
  • Process for the preparation of L-lactide of high chemical yield and optical purity
    Patent number: 8895760
    Abstract: A process for the synthesis of 100% optically pure L(+)-lactide catalyzed by zinc and tin metal catalysts of less than 150 micron particle size is disclosed. The L-lactide obtained was further purified to obtain lactide of 100% optical purity and acid impurities less than 10 meq/kg.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: November 25, 2014
    Assignee: Council of Scientific & Industrial Research
    Inventors: Bhaskar Bhairavnath Idage, Susheela Bhaskar Idage, Sivaram Swaminathan
  • Lactic acid-isosorbide copolyesters and process for the preparation thereof
    Patent number: 8633294
    Abstract: Copolyester with improved transition temperature, melting temperature and crystallinity including units derived from lactic acid and isosorbide, where the ratio of lactic acid to isosorbide ranges from 99:1 to 50:50.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: January 21, 2014
    Assignee: Council of Scientific & Industrial Research
    Inventors: Bhaskar Bhairavnath Idage, Susheela Bhaskar Idage, Sivaram Swaminathan
  • Lactic Acid-Isosorbide Copolyesters And Process For The Preparation Thereof
    Publication number: 20130165622
    Abstract: Copolyester with improved transition temperature, melting temperature and crystallinity including units derived from lactic acid and isosorbide, where the ratio of lactic acid to isosorbide ranges from 99:1 to 50:50.
    Type: Application
    Filed: November 30, 2012
    Publication date: June 27, 2013
    Inventors: Bhaskar Bhairavnath Idage, Susheela Bhaskar Idage, Sivaram Swaminathan
  • Process For The Preparation Of L-Lactide Of High Chemical Yield And Optical Purity
    Publication number: 20130060051
    Abstract: A process for the synthesis of 100% optically pure L(+)-lactide catalyzed by zinc and tin metal catalysts of less than 150 micron particle size is disclosed. The L-lactide obtained was further purified to obtain lactide of 100% optical purity and acid impurities less than 10 meq/kg.
    Type: Application
    Filed: August 27, 2012
    Publication date: March 7, 2013
    Inventors: Bhaskar Bhairavnath Idage, Susheela Bhaskar Idage, Sivaram Swaminathan