Patents by Inventor Sumit CHAKRABORTY

Sumit CHAKRABORTY 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).

  • PROCESSES USEFUL IN THE MANUFACTURE OF CYCLODODECASULFUR
    Publication number: 20220169505
    Abstract: Methods for producing cyclododecasulfur are disclosed that include the steps of: reacting a metallasulfur derivative with a molecular halogen to produce cyclododecasulfur and a metallahalide derivative; and reacting the metallahalide derivative with a sulfide or polysulfide to produce the metallasulfur derivative and a halide.
    Type: Application
    Filed: March 5, 2020
    Publication date: June 2, 2022
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: SCOTT DONALD BARNICKI, ROBERT THOMAS HEMBRE, SUMIT CHAKRABORTY, MICHAEL RICHARD LANINGHAM, VICKIE HAGOOD OSBORNE, LESLIE SHARON DEPEW, ANNETTE ELIZABETH STEVENS, JOHN DEREK WOOLLINS, GUOXIONG HUA
  • PROCESSES USEFUL IN THE MANUFACTURE OF CYCLODODECASULFUR
    Publication number: 20220169506
    Abstract: Methods for producing cyclododecasulfur are disclosed, that include the steps of: oxidizing a bromide in aqueous solution to produce a mixture of molecular bromine, tribromide, and bromide; reducing water to produce hydrogen and a hydroxide; and reacting a metallasulfur derivative with the molecular bromine, to produce cyclododecasulfur and a metallabromide derivative.
    Type: Application
    Filed: March 5, 2020
    Publication date: June 2, 2022
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: SCOTT DONALD BARNICKI, ROBERT THOMAS HEMBRE, SUMIT CHAKRABORTY, MICHAEL RICHARD LANINGHAM, VICKIE HAGOOD OSBORNE, LESLIE SHARON DEPEW, ANNETTE ELIZABETH STEVENS, JOHN DEREK WOOLLINS, GUOXIONG HUA
  • PROCESSES USEFUL IN THE MANUFACTURE OF CYCLODODECASULFUR
    Publication number: 20220162068
    Abstract: Methods for producing cyclododecasulfur are disclosed that include the steps of: reacting a bromide with molecular chlorine to obtain molecular bromine and a chloride; oxidizing the chloride in aqueous solution with removal of electrons to obtain molecular chlorine; reducing water with electrons to obtain hydrogen and a hydroxide; and reacting a metallasulfur derivative with the molecular bromine, to produce cyclododecasulfur and a metallabromide derivative.
    Type: Application
    Filed: March 5, 2020
    Publication date: May 26, 2022
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: SCOTT DONALD BARNICKI, ROBERT THOMAS HEMBRE, SUMIT CHAKRABORTY, MICHAEL RICHARD LANINGHAM, VICKIE HAGOOD OSBORNE, LESLIE SHARON DEPEW, ANNETTE ELIZABETH STEVENS, JOHN DEREK WOOLLINS, GUOXIONG HUA
  • PROCESSES USEFUL IN THE MANUFACTURE OF CYCLODODECASULFUR
    Publication number: 20220162761
    Abstract: Method for producing molecular halogen are disclosed, that include the steps of: oxidizing a halide to produce a mixture comprising one or more of a molecular halogen, a trihalide, and a halide; reducing a polysulfide comprising a higher rank polysulfide dianion to produce a lower rank polysulfide dianion; and recovering molecular halogen from the mixture comprising one or more of a molecular halogen, a trihalide, and a halide.
    Type: Application
    Filed: March 5, 2020
    Publication date: May 26, 2022
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: SCOTT DONALD BARNICKI, ROBERT THOMAS HEMBRE, SUMIT CHAKRABORTY, MICHAEL RICHARD LANINGHAM, VICKIE HAGOOD OSBORNE, LESLIE SHARON DEPEW, ANNETTE ELIZABETH STEVENS, JOHN DEREK WOOLLINS, GUOXIONG HUA
  • METHOD FOR THE MANUFACTURE OF CYCLODODECASULFUR
    Publication number: 20200216316
    Abstract: The present invention relates to a method for the manufacture of cyclododecasulfur, a cyclic sulfur allotrope wherein the number of sulfur (S) atoms in the allotrope's homocyclic ring is 12. The method includes reacting a metallasulfur derivative with an oxidizing agent in a reaction zone to form a cyclododecasulfur-containing reaction mixture.
    Type: Application
    Filed: March 3, 2020
    Publication date: July 9, 2020
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: Scott Donald BARNICKI, Robert Thomas HEMBRE, Elaine Beatrice MACKENZIE, Joy Lynn LANINGHAM, Michael Richard LANINGHAM, Shane Kipley KIRK, Larry Wayne BLAIR, Sumit CHAKRABORTY, Venkateswarlu BHAMIDI, Guoxiong HUA, John Derek WOOLLINS
  • METHOD FOR THE MANUFACTURE OF CYCLODODECASULFUR
    Publication number: 20200207621
    Abstract: The present invention relates to a method for the manufacture of cyclododecasulfur, a cyclic sulfur allotrope wherein the number of sulfur (S) atoms in the allotrope's homocyclic ring is 12. The method includes reacting a metallasulfur derivative with an oxidizing agent in a reaction zone to form a cyclododecasulfur-containing reaction mixture.
    Type: Application
    Filed: March 11, 2020
    Publication date: July 2, 2020
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: SCOTT DONALD BARNICKI, ROBERT THOMAS HEMBRE, ELAINE BEATRICE MACKENZIE, JOY LYNN LANINGHAM, MICHAEL RICHARD LANINGHAM, SHANE KIPLEY KIRK, LARRY WAYNE BLAIR, SUMIT CHAKRABORTY, VENKATESWARLU BHAMIDI, GUOXIONG HUA, JOHN DEREK WOOLLINS
  • METHOD FOR THE MANUFACTURE OF CYCLODODECASULFUR
    Publication number: 20180273382
    Abstract: The present invention relates to a method for the manufacture of cyclododecasulfur, a cyclic sulfur allotrope wherein the number of sulfur (S) atoms in the allotrope's homocyclic ring is 12. The method includes reacting a metallasulfur derivative with an oxidizing agent in a reaction zone to form a cyclododecasulfur-containing reaction mixture.
    Type: Application
    Filed: June 1, 2018
    Publication date: September 27, 2018
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: SCOTT DONALD BARNICKI, ROBERT THOMAS HEMBRE, ELAINE BEATRIC MACKENZIE, JOY LYNN LANINGHAM, MICHAEL RICHARD LANINGHAM, SHANE KIPLEY KIRK, LARRY WAYNE BLAIR, SUMIT CHAKRABORTY, VENKATESWARLU BHAMIDI, GUOXIONG HUA, JOHN DEREK WOOLLINS
  • METHOD FOR THE MANUFACTURE OF POLYMERIC SULFUR
    Publication number: 20170253483
    Abstract: The present invention relates to a method for the manufacture of polymeric sulfur. The method includes reacting a metallasulfur derivative with an oxidizing agent to form polymeric sulfur.
    Type: Application
    Filed: February 23, 2017
    Publication date: September 7, 2017
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: SCOTT DONALD BARNICKI, ROBERT THOMAS HEMBRE, MICHAEL RICHARD LANINGHAM, SUMIT CHAKRABORTY, VENKATESWARLU BHAMIDI
  • METHOD FOR THE MANUFACTURE OF CYCLODODECASULFUR
    Publication number: 20170253484
    Abstract: The present invention relates to a method for the manufacture of cyclododecasulfur, a cyclic sulfur allotrope wherein the number of sulfur (S) atoms in the allotrope's homocyclic ring is 12. The method includes reacting a metallasulfur derivative with an oxidizing agent in a reaction zone to form a cyclododecasulfur-containing reaction mixture.
    Type: Application
    Filed: February 23, 2017
    Publication date: September 7, 2017
    Applicant: EASTMAN CHEMICAL COMPANY
    Inventors: SCOTT DONALD BARNICKI, ROBERT THOMAS HEMBRE, ELAINE BEATRICE MACKENZIE, JOY LYNN LANINGHAM, MICHAEL RICHARD LANINGHAM, SHANE KIPLEY KIRK, LARRY WAYNE BLAIR, SUMIT CHAKRABORTY, VENKATESWARLU BHAMIDI, GUOXIONG HUA, JOHN DEREK WOOLLINS
  • MEDIA PLAYER AUTOMATED CONTROL BASED ON DETECTED PHYSIOLOGICAL PARAMETERS OF A USER
    Publication number: 20160089028
    Abstract: System, controller, and computer readable medium for controlling a presentation of audio and video information to a user. Physiological parameters of the user can be monitored in real time to determine changes in activity. A video presentation and/or an audio presentation can be modified based on the determined change in activity. Additionally, a user interface can be modified based on the determined change in activity.
    Type: Application
    Filed: September 25, 2014
    Publication date: March 31, 2016
    Inventors: Dibyendu CHATTERJEE, Sowrabha Mysore INDUKUMAR, Sumit CHAKRABORTY
  • Homogeneous Hydrogenation of Esters Employing a Complex of Iron as Catalyst
    Publication number: 20150274621
    Abstract: The homogeneous hydrogenation of organic carbonyls, especially esters, under relatively mild conditions using iron hydrido-borohydride catalyst complexes having amino-phosphine pincer ligands. The catalyst and process are well-suited for catalyzing the hydrogenation of a wide variety of organic carbonyls, such as hydrogenation of fatty acid esters to alcohols. In particular embodiments, the process can be carried out in the absence of solvent.
    Type: Application
    Filed: March 23, 2015
    Publication date: October 1, 2015
    Inventors: Neil Thomas FAIRWEATHER, Michael Steven GIBSON, Hairong GUAN, Sumit CHAKRABORTY, Huiguang DAI, Papri BHATTACHARYA