Patents by Inventor Pratibha Uttam Karabal

Pratibha Uttam Karabal 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 preparation of alkynyl carboxylic acids
    Patent number: 9302970
    Abstract: The invention provides a simple, efficient, environmentally friendly catalytic system for direct carboxylation reactions using CO2 under mild conditions. A single step heterogeneous catalytic process for preparation of alkynyl carboxylic acids is disclosed.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: April 5, 2016
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ravindra Dattatray Aher, Madhuri Hanumant Gade, Reddy Santhosh Rekula, Pratibha Uttam Karabal, Gurunath Mallappa Suryavanshi, Arumugam Sudalai
  • Phenolytic kinetic resolution of azido and alkoxy epoxides
    Patent number: 8975430
    Abstract: Disclosed herein is a single step catalytic process for the production of enantiomerically pure ?-Aryloxy-??-Azido/Alkoxy alcohols of formula (A). The invention, in particular discloses phenolytic kinetic resolution of racemic anti and syn azido/alkoxy epoxides to generate two stereocentres of high optical purities of formula (A).
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: March 10, 2015
    Assignee: Council of Scientific & Industrial Research
    Inventors: Pratibha Uttam Karabal, Dayanand Ambadas Kamble, Arumugam Sudalai
  • PROCESS FOR PREPARATION OF ALKYNYL CARBOXYLIC ACIDS
    Publication number: 20150025269
    Abstract: The invention provides a simple, efficient, environmental friendly catalytic system for the direct carboxylation reaction using CO2 under mild condition. A single step heterogeneous catalytic process for preparation of alkynyl carboxylic acids of formula I is disclosed.
    Type: Application
    Filed: January 25, 2013
    Publication date: January 22, 2015
    Inventors: Ravindra Dattatray Aher, Madhuri Hanumant Gage, Reddy Santhosh Rekula, Pratibha Uttam Karabal, Gurunath Mallappa Suryavanshi, Arumugam Sudalai
  • Phenolytic Kinetic Resolution of Azido and Alkoxy Epoxides
    Publication number: 20140350276
    Abstract: Disclosed herein is a single step catalytic process for the production of enantiomerically pure ?-Aryloxy-??-Azido/Alkoxy alcohols of formula (A). The invention, in particular discloses phenolytic kinetic resolution of racemic anti and syn azido/alkoxy epoxides to generate two stereocentres of high optical purities of formula (A).
    Type: Application
    Filed: December 20, 2012
    Publication date: November 27, 2014
    Inventors: Pratibha Uttam Karabal, Dayanand Ambadas Kamble, Arumugam Sudalai