Patents by Inventor Shubhangi Bhalchandra Umbarkar

Shubhangi Bhalchandra Umbarkar 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).

  • Nitration of benzene
    Patent number: 11439985
    Abstract: The present invention discloses a process for nitration of benzene. More particularly, the present invention discloses an efficient, environmental friendly process for the nitration of benzene using a modified solid acid catalyst.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: September 13, 2022
    Inventors: Shubhangi Bhalchandra Umbarkar, Atul Balasaheb Kulal, Mohan Keraba Dongare
  • One pot, one step process for the halogenation of aromatics using solid acid catalysts
    Patent number: 11111207
    Abstract: The present invention disclosed an improved one pot, one step process for halogenation of compound of formula (II) to afford corresponding halogenated compound of formula (I) having improved yield and increased selectivity under very mild conditions.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: September 7, 2021
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Shubhangi Bhalchandra Umbarkar, Atul Balasaheb Kulal, Amar Jaywant Deshmukh
  • Nitration Of Benzene
    Publication number: 20200384445
    Abstract: The present invention discloses a process for nitration of benzene. More particularly, the present invention discloses an efficient, environmental friendly process for the nitration of benzene using a modified solid acid catalyst.
    Type: Application
    Filed: December 5, 2018
    Publication date: December 10, 2020
    Applicant: Council of Scientific & Industrial Research
    Inventors: Shubhangi Bhalchandra Umbarkar, Atul Balasaheb Kulal, Mohan Keraba Dongare
  • AN IMPROVED ONE POT, ONE STEP PROCESS FOR THE HALOGENATION OF AROMATICS USING SOLID ACID CATALYSTS
    Publication number: 20190100487
    Abstract: The present invention disclosed an improved one pot, one step process for halogenation of compound of formula (II) to afford corresponding halogenated compound of formula (I) having improved yield and increased selectivity under very mild conditions.
    Type: Application
    Filed: March 17, 2017
    Publication date: April 4, 2019
    Inventors: Shubhangi Bhalchandra UMBARKAR, Atul Balasaheb KULAL, Amar Jaywant DESHMUKH
  • Synthesis of functionalized carbon microspheres and their catalyst activity in C—O and C—N bond formation reactions
    Patent number: 10195599
    Abstract: Disclosed herein is a simple process for functionalization/grafting of carbon microspheres obtained from bagasse with various active functional groups onto it and use of the same as catalyst for various organic reactions, having very high selectivity and conversion rate.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: February 5, 2019
    Assignee: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Ankush Venkatrao Biradar, Shubhangi Bhalchandra Umbarkar, Mohan Keraba Dongare
  • Oxidative dehydrogenation of lactate esters to pyruvate esters
    Patent number: 10106487
    Abstract: The present invention relates to a simple one step oxidative dehydrogenation process for the synthesis of alkyl pyruvate with 100% selectivity towards alkyl pyruvate comprising reacting an alkyl lactate in the presence of catalyst at the temperature ranging from 25-100° C. for the time period ranging from 5 to 40 hours in an organic solvent and hydrogen peroxide to afford alkyl pyruvate.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: October 23, 2018
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Shubhangi Bhalchandra Umbarkar, Mohan Keraba Dongare, Swati Laxmikantrao Pandhare, Sonali Balasaheb Khomane, Dhananjay Shahauraj Doke
  • SYNTHESIS OF FUNCTIONALIZED CARBON MICROSPHERES AND THEIR CATALYST ACTIVITY IN C-O AND C-N BOND FORMATION REACTIONS
    Publication number: 20180229225
    Abstract: Disclosed herein is a simple process for functionalization/grafting of carbon microspheres obtained from bagasse with various active functional groups onto it and use of the same as catalyst for various organic reactions, having very high selectivity and conversion rate.
    Type: Application
    Filed: March 2, 2018
    Publication date: August 16, 2018
    Inventors: Ankush Venkatrao BIRADAR, Shubhangi Bhalchandra UMBARKAR, Mohan Keraba DONGARE
  • Synthesis of functionalized carbon microspheres and their catalyst activity in C—O and C—N bond formation reactions
    Patent number: 10029240
    Abstract: Disclosed herein is a simple process for functionalization/grafting of carbon microspheres obtained from bagasse with various active functional groups onto it and use of the same as catalyst for various organic reactions, having very high selectivity and conversion rate.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: July 24, 2018
    Assignee: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Ankush Venkatrao Biradar, Shubhangi Bhalchandra Umbarkar, Mohan Keraba Dongare
  • OXIDATIVE DEHYDROGENATION OF LACTATE ESTERS TO PYRUVATE ESTERS
    Publication number: 20180141892
    Abstract: The present invention relates to a simple one step oxidative dehydrogenation process for the synthesis of alkyl pyruvate with 100% selectivity towards alkyl pyruvate comprising reacting an alkyl lactate in the presence of catalyst at the temperature ranging from 25-100° C. for the time period ranging from 5 to 40 hours in an organic solvent and hydrogen peroxide to afford alkyl pyruvate.
    Type: Application
    Filed: June 10, 2016
    Publication date: May 24, 2018
    Inventors: Shubhangi Bhalchandra Umbarkar, Mohan Keraba Dongare, Swati Laxmikantrao Pandhare, Sonali Balasaheb Khomane, Dhananjay Shahauraj Doke
  • Liquid phase nitration of aromatics using solid acid catalyst
    Patent number: 9409854
    Abstract: The present invention discloses an improved process for the liquid phase nitration of aromatic compounds catalyzed by WO3 supported on mesoporous silica support, at low temperature, with high conversion and selectivity.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: August 9, 2016
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Shubhangi Bhalchandra Umbarkar, Mohan Keraba Dongare, Ankush Venkatrao Biradar, Atul Balasaheb Kulal, Trupti Vyankatesh Kotbagi, Ashvini Ramesh Bhosale, Macchindra Gulabrao Chandgude
  • Process for hydrogenation of olefinic or acetylenic bonds
    Patent number: 9409836
    Abstract: The present invention relates to a process for hydrogenation of olefinic or acetylenic bonds. Further, the present invention relates to a process for selective hydrogenation of olefinic or acetylenic bonds and/including triglycerides using modified metal supported on solid acidic metal oxide catalyst and the process for the preparation thereof. The present invention provides a process for hydrogenation of olefinic or acetylenic bonds using metal supported on solid acid metal oxide based catalyst, at moderate conditions. The present invention also relates to the preparation of metal supported on solid acid metal oxide based catalyst for hydrogenation reactions under mild conditions.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: August 9, 2016
    Assignee: Council of Scientific and Industrial Research
    Inventors: Shubhangi Bhalchandra Umbarkar, Mohan Keraba Dongare, Vaibhav Ravindrakumar Acham
  • SYNTHESIS OF FUNCTIONALIZED CARBON MICROSPHERES AND THEIR CATALYST ACTIVITY IN C-O AND C-N BOND FORMATION REACTIONS
    Publication number: 20160167031
    Abstract: Disclosed herein is a simple process for functionalization/grafting of carbon microspheres obtained from bagasse with various active functional groups onto it and use of the same as catalyst for various organic reactions, having very high selectivity and conversion rate.
    Type: Application
    Filed: June 25, 2014
    Publication date: June 16, 2016
    Inventors: Ankush Venkatrao BIRADAR, Shubhangi Bhalchandra UMBARKAR, Mohan Keraba DONGARE
  • LIQUID PHASE NITRATION OF AROMATICS USING SOLID ACID CATALYST
    Publication number: 20160145191
    Abstract: The present invention discloses an improved process for the liquid phase nitration of aromatic compounds catalyzed by WO3 supported on mesoporous silica support, at low temperature, with high conversion and selectivity.
    Type: Application
    Filed: June 3, 2014
    Publication date: May 26, 2016
    Inventors: Shubhangi Bhalchandra Umbarkar, Mohan Keraba Dongare, Ankush Venkatrao Biradar, Atul Balasaheb Kulal, Trupti Vyankatesh Kotbagi, Ashvini Ramesh Bhosale, Macchindra Gulabrao Chandgude
  • Removal of organic dyes and organic pollutants by titanium peroxide gel
    Patent number: 9149673
    Abstract: The one step process of removal of chromophore/dye/organic pollutant from a solution comprising a polymer free titanium oxide gel i.e. high zeta potential is disclosed. The concentration of the chromophores is removed up to 95-100%.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: October 6, 2015
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Mohan Kerba Dongare, Shubhangi Bhalchandra Umbarkar
  • PROCESS FOR HYDROGENATION OF OLEFINIC OR ACETYLENIC BONDS
    Publication number: 20150239821
    Abstract: The present invention relates to a process for hydrogenation of olefinic or acetylenic bonds. Further, the present invention relates to a process for selective hydrogenation of olefinic or acetylenic bonds and/including triglycerides using modified metal supported on solid acidic metal oxide catalyst and the process for the preparation thereof. The present invention provides a process for hydrogenation of olefinic or acetylenic bonds using metal supported on solid acid metal oxide based catalyst, at moderate conditions. The present invention also relates to the preparation of metal supported on solid acid metal oxide based catalyst for hydrogenation reactions under mild conditions.
    Type: Application
    Filed: January 24, 2013
    Publication date: August 27, 2015
    Applicant: Council of Scientific and Industrial Research
    Inventors: Shubhangi Bhalchandra Umbarkar, Mohan Keraba Dongare, Vaibhav Ravindrakumar Acham
  • Organometallic Molybdenum Acetylide Dioxo Complex And Process For The Preparation Thereof
    Publication number: 20130197245
    Abstract: An organometallic molybdenum acetylide dioxo complex of formula (?5-C5H5)MoO2(—Cs?CPh) and provides a simple, short, efficient process for the synthesis of organometallic molybdenum dioxo complex which is used as catalyst for a number of oxidation reactions.
    Type: Application
    Filed: March 14, 2013
    Publication date: August 1, 2013
    Inventors: Shubhangi Bhalchandra Umbarkar, Mohan Keraba Dongare, Ankush Biradar, Vaibhav Ravindrakumar Acham
  • REMOVAL OF ORGANIC DYES AND ORGANIC POLLUTANTS BY TITANIUM PEROXIDE GEL
    Publication number: 20120125844
    Abstract: The one step process of removal of chromophore/dye/organic pollutant from a solution comprising a polymer free titanium oxide gel i.e. high zeta potential is disclosed. The concentration of the chromophores is removed up to 95-100%.
    Type: Application
    Filed: July 30, 2010
    Publication date: May 24, 2012
    Applicant: Council of Scientific & Industrial Research
    Inventors: Mohan Kerba Dongare, Shubhangi Bhalchandra Umbarkar