Patents by Inventor Amol Arvind Kulkarni

Amol Arvind Kulkarni 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).

  • Patent number: 11707700
    Abstract: The present invention disclosed a continuous flow and batch process for the separation of metal or metal oxide nanoparticles continuously in a periodic manner at the liquid-liquid interface using a centrifugal separator cum extractor, wherein the nanoparticles are collected at the liquid-liquid interface of the polar and non-polar liquids.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: July 25, 2023
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Amol Arvind Kulkarni, Jaydeep Bipin Deshpande
  • Publication number: 20220410116
    Abstract: A continuous flow reactor without any moving parts to facilitate solid-liquid reaction without clogging is disclosed herein. It comprises plurality of identical cavities in series/sequence, each cavity being provided with: a pair of inlets at the top to allow entry of reactants into the reactor; an outlet at the bottom to allow the reactants to the next cavity for mixing; and a jacket covering around the cavities to provide heating or cooling effect as per the requirement. The outlet of the previous cavity is inclined at a suitable angle relative to the outlet of the next cavity to prevent clogging and facilitate efficient mixing of the reactants.
    Type: Application
    Filed: November 27, 2020
    Publication date: December 29, 2022
    Inventors: Amol Arvind KULKARNI, Mrityunjay Keshavprasad SHARMA
  • Publication number: 20220389226
    Abstract: The present disclosure provides a continuous process for the synthesis coupled compounds of diazonium salts including azo dyes involving in-situ generation of diazonium salts. It further discloses a set up to carry out the process for the synthesis of coupled compounds of diazonium salts.
    Type: Application
    Filed: November 16, 2020
    Publication date: December 8, 2022
    Inventors: Amol Arvind KULKARNI, Chinmay Abhay SHUKLA
  • Publication number: 20220388062
    Abstract: A continuous flow process for the synthesis of metal nanowires using a bubble column reactor. Also disclosed are different types of multiphase bubble column reactors for synthesizing metal nanowires in high yields and purity through a continuous process. The continuous process provides tunability for the aspect ratio of the nanowires.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 8, 2022
    Inventors: Amol Arvind KULKARNI, Prachi KATE, Suneha PATIL
  • Publication number: 20220274917
    Abstract: The present invention provides a continuous solvent free and additive free process for the synthesis of Metformin Hydrochloride in a screw reactor. >90% conversion of the solid substrates without solvent is obtained in a screw reactor to produce Metformin Hydrochloride with at least 90% selectivity.
    Type: Application
    Filed: September 4, 2020
    Publication date: September 1, 2022
    Inventors: Amol Arvind KULKARNI, Brijesh SHARMA
  • Publication number: 20220228086
    Abstract: The present invention discloses a process for the oxidation of fatty acids comprises reacting fatty acid with O2 containing O3 for a period of 0.1-60 min at a temp in the range of ?78 to 30 deg C. to obtain the corresponding products, wherein the conversion of the fatty acid is in the range of 80% to 100% and the process is catalyst free and co-oxidant free.
    Type: Application
    Filed: May 30, 2020
    Publication date: July 21, 2022
    Inventors: Amol Arvind KULKARNI, Dumbala Srinivasa REDDY, Paresh Ramesh ATHAWALE, Ranjit Shabu ATAPALKAR
  • Patent number: 11274081
    Abstract: The present disclosed an improved process for the synthesis of ivacaftor starting from indole acetic acid ester which can be performed in batch as well as continuous flow synthesis. The present invention further disclosed to a continuous process for the synthesis of compound of formula (II) or formula (III) from compound of formula (I) in continuous flow reactor.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: March 15, 2022
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Dumbala Srinivasa Reddy, Amol Arvind Kulkarni, Vasudevan Natarajan, Mrityunjay Keshavprasad Sharma
  • Publication number: 20210283532
    Abstract: The present invention disclosed a continuous flow and batch process for the separation of metal or metal oxide nanoparticles continuously in a periodic manner at the liquid-liquid interface using a centrifugal separator cum extractor, wherein the nanoparticles are collected at the liquid-liquid interface of the polar and non-polar liquids.
    Type: Application
    Filed: April 30, 2018
    Publication date: September 16, 2021
    Inventors: Amol Arvind KULKARNI, Jaydeep Bipin DESHPANDE
  • Publication number: 20210060656
    Abstract: The present invention disclosed an efficient, continuous flow process for the synthesis metal nanowires by using a continuous stirred tank reactor (CSTRs) in series for varying the aspect ratio of metal nanowires and nanorods formed by feeding affixed quantities of metal salt and polymeric surfactant with a reducing solvent like glycol to an axially mixed reactor.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 4, 2021
    Inventors: Amol Arvind KULKARNI, Jaydeep Bipin DESHPANDE, Prachi Ashok KATE
  • Patent number: 10857508
    Abstract: A multimodal micromixer obstacle for intensification of mixing and performing the reaction in a continuous manner is disclosed herein. The micromixer 100 comprises of plurality of inlets, an outlet and a plurality of channels. The end channels—of the channels, have plurality—of converging sections having width, to depth ratio ranging 1:1 to 20:1. The intermediate channels have at least, one obstacle having non-circular shape. Each converging section is incomplete ellipse, prolate or oblate shaped having, angle of curvature in the range of 90 to 270°. Axes of the inlets are coplanar and perpendicular to the channels. All the components of the micromixer are coplanar.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: December 8, 2020
    Assignee: Council of Scientific & Industrial Research
    Inventors: Amol Arvind Kulkarni, Vivek Vinayak Ranade
  • Publication number: 20200325104
    Abstract: The present disclosed an improved process for the synthesis of ivacaftor starting from indole acetic acid ester which can be performed in batch as well as continuous flow synthesis. The present invention further disclosed to a continuous process for the synthesis of compound of formula (II) or formula (III) from compound of formula (I) in continuous flow reactor.
    Type: Application
    Filed: May 26, 2017
    Publication date: October 15, 2020
    Inventors: Dumbala Srinivasa REDDY, Amol Arvind KULKARNI, Vasudevan NATARAJAN, Mrityunjay Keshavprasad SHARMA
  • Patent number: 10106432
    Abstract: A Continuous flow synthesis of nanocrystalline metal oxides by rapid sol-gel process is disclosed. The process disclosed uses an impinging microjet micromixer device to obtain the nano crystalline metal oxides. A method of fabricating and assembling the impinging microjet micromixer is also disclosed herewith.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: October 23, 2018
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Venkata Ravi Kumar Darbha, Lakhsmi Vara Prasad Bhagavatula, Amol Arvind Kulkarni
  • Publication number: 20180117543
    Abstract: A multimodal micromixer obstacle for intensification of mixing and performing the reaction in a continuous manner is disclosed herein. The micromixer 100 comprises of plurality of inlets, an outlet and a plurality of channels. The end channels—of the channels, have plurality—of converging sections having width, to depth ratio ranging 1:1 to 20:1. The intermediate channels have at least, one obstacle having non-circular shape. Each converging section is incomplete ellipse, prolate or oblate shaped having, angle of curvature in the range of 90 to 270°. Axes of the inlets are coplanar and perpendicular to the channels. All the components of the micromixer are coplanar.
    Type: Application
    Filed: April 13, 2016
    Publication date: May 3, 2018
    Inventors: Amol Arvind Kulkarni, Vivek Vinayak Ranade
  • Patent number: 9956537
    Abstract: A tube in tube continuous glass lined metal reactor includes: concentric tubular segments; (a) outer glass lined tube and (b) an inner glass lined segment disposed in the outer glass lined tube, defining thereby an intermediate glass lined region between the inner segment and the outer tube.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: May 1, 2018
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Amol Arvind Kulkarni, Vivek Vinayak Ranade
  • Patent number: 9869595
    Abstract: A device which can be used as a flow reactor for synthesis and for discerning the reaction kinetics as well as a flow calorimeter is a need in the art. To fulfill this need, the invention discloses a simple calorimeter that functions as a device to measure reaction kinetics, preferably heat of reaction in a continuous manner, in adiabatic as well as in isothermal conditions. The distinct advantages of the device include online determination of thermokinetic properties, continuous determination of thermokinetic properties and applicable for determination in adiabatic as well as isothermal modes. The device may function independently or may be used in combination with reactors, micro reactors or tubular reactors.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: January 16, 2018
    Assignee: Council of Scientific & Industrial Research
    Inventor: Amol Arvind Kulkarni
  • Patent number: 9725338
    Abstract: A method for treating effluent provides the effluent as an input to an apparatus having a vortex diode with aeration. The apparatus induces a cavitation assisted with aeration for the high rates of ammoniacal nitrogen in an orifice and the vortex diode with or without inserts/stabilizers to generate radicals, which reduce ammoniacal nitrogen of wastewater effectively during effluent treatments.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: August 8, 2017
    Assignee: Council of Scientific & Industrial Research
    Inventors: Vivek Vinayak Ranade, Amol Arvind Kulkarni, Vinay Manoharrao Bhandari
  • Publication number: 20160340211
    Abstract: A method for treating effluent provides the effluent as an input to an apparatus having a vortex diode with aeration. The apparatus induces a cavitation assisted with aeration for the high rates of ammoniacal nitrogen in an orifice and the vortex diode with or without inserts/stabilizers to generate radicals, which reduce ammoniacal nitrogen of wastewater effectively during effluent treatments.
    Type: Application
    Filed: August 3, 2016
    Publication date: November 24, 2016
    Inventors: Vivek Vinayak RANADE, Amol Arvind KULKARNI, Vinay Manoharrao BHANDARI
  • Publication number: 20160303538
    Abstract: The invention disclosed herein relates to tube in tube in tube continuous glass lined metal reactor with enhanced heat transfer efficiency. Particularly, the reactor comprising three concentric tubular segments; (a) inner glass lined tube [105]; (b) intermediate glass lined tube and (c) outer glass lined tube [104]; wherein the heat transfer fluid flows in the areas of segment [104] and [105] and reactant flow between the inner and outer glass lined tubes or their annulus.
    Type: Application
    Filed: December 12, 2014
    Publication date: October 20, 2016
    Inventors: Amol Arvind KULKARNI, Vivek Vinayak RANADE
  • Patent number: 9446375
    Abstract: The present invention discloses a flow reactor composed of plurality of modular/fluidic components that helps retain agility and re-configurability of the continuous chemical processes with improved processing ability. More specifically, disclosed herein is a continuous flow reactor composed of varied permutations and combinations of a plurality of modular/fluidic components for chemical processing. The components are connected to each other using connectors that facilitate the connection of either with two or more, similar or different components.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: September 20, 2016
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Amol Arvind Kulkarni, Vivek Vinayak Ranade
  • Patent number: 9422952
    Abstract: The present invention discloses device that can generate a strong vortex in the vortex chamber which significantly enhances rate of reactions and effectiveness of waste water treatment. The present invention disclose vortex diodes with or without inserts/stabilizers as continuous flow reactors to induce cavitation to generate radicals which reduces Chemical Oxygen Demand (COD), ammoniacal nitrogen and color of waste water effectively in effluent treatments.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: August 23, 2016
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Vivek Vinayak Ranade, Amol Arvind Kulkarni, Vinay Manoharrao Bhandari