Patents by Inventor Mahesh Ratnakar Sawant

Mahesh Ratnakar Sawant 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).

  • Apparatus and process for using a nitroalkane as an entrainer for azeotropic removal of water from aqueous acid solution
    Patent number: 9192877
    Abstract: Disclosed are a process and an apparatus for concentrating an organic acid by using a nitroalkane as an entrainer for the azeotropic removal of water from an aqueous organic acid solution. The nitroalkane may be the same as a nitroalkane that is the product of a high pressure nitration process that produces nitroalkanes and aqueous organic acid.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: November 24, 2015
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: Mahesh Ratnakar Sawant, Daniel M. Trauth, John G. Pendergast
  • Apparatus and process for using olefin as an azeotropic entrainer for isolating 1,3-DICHLORO-2-propanol from a 2,2?-oxybis (1-chloropropane) waste stream
    Patent number: 9180384
    Abstract: Disclosed are a process and an apparatus for using an olefin as an azeotropic entrainer to isolate a target organic compound from a waste stream. The olefin may be, for example, 1-decene, 1-dodecene, or 1-tetradecene. The target organic compound may be 1,3-dichloro-2-propanol in waste stream comprising a 2,2?-oxybis(1-chloropropane).
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: November 10, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Mahesh Ratnakar Sawant, Edward D. Daugs, Mark R. Smit
  • APPARATUS AND PROCESS FOR USING OLEFIN AS AN AZEOTROPIC ENTRAINER FOR ISOLATING 1,3-DICHLORO-2-PROPANOL FROM A 2,2'-OXYBIS (1-CHLOROPROPANE) WASTE STREAM
    Publication number: 20130253229
    Abstract: Disclosed are a process and an apparatus for using an olefin as an azeotropic entrainer to isolate a target organic compound from a waste stream. The olefin may be, for example, 1-decene, 1-dodecene, or 1-tetradecene. The target organic compound may be 1,3-dichloro-2-propanol in waste stream comprising a 2,2?-oxybis(1-chloropropane).
    Type: Application
    Filed: December 7, 2011
    Publication date: September 26, 2013
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Mahesh Ratnakar Sawant, Edward D. Daugs, Mark R. Smit
  • Apparatus and Process for Using a Nitroalkane as an Entrainer for Azeotropic Removal of Water from Aqueous Acid Solution
    Publication number: 20130245340
    Abstract: Disclosed are a process and an apparatus for concentrating an organic acid by using a nitroalkane as an entrainer for the azeotropic removal of water from an aqueous organic acid solution. The nitroalkane may be the same as a nitroalkane that is the product of a high pressure nitration process that produces nitroalkanes and aqueous organic acid.
    Type: Application
    Filed: December 7, 2011
    Publication date: September 19, 2013
    Applicants: ANGUS CHEMICAL COMPANY, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Mahesh Ratnakar Sawant, Daniel M. Trauth, John G. Pendergast