Patents by Inventor Atul Balasaheb Kulal

Atul Balasaheb Kulal 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
  • 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
  • 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