Patents by Inventor Mahesh R. Sawant

Mahesh R. 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).

  • Publication number: 20210380908
    Abstract: A method for producing a powder detergent; said method comprising steps of: (a) combining (i) a polymer comprising polymerized units of at least one nitrogen-containing ethylenically unsaturated monomer having at least one pKa value from 6 to 11.5 and at least one ethylenically unsaturated carboxylic acid monomer, (ii) at least one surfactant, (iii) inorganic salts and (iv) water to form a slurry; wherein the slurry has a solids content from 50 to 90 wt %; and (b) spray drying the slurry to form a powder detergent.
    Type: Application
    Filed: March 21, 2019
    Publication date: December 9, 2021
    Inventors: Laercio De Albuquerque, Robert Butterick, Mahesh R. Sawant, Afua Sarpong Karikari
  • Patent number: 10865263
    Abstract: A method for solution polymerization. The method comprises polymerizing in a solvent a monomer mixture comprising: (a) 5 to 95 wt % of a C3-C5 ethylenically unsaturated dicarboxylic acid; and (b) 5 to 95 wt % of vinyl acetate; wherein the solvent comprises 51 to 88 wt % isopropanol and 12 to 49 wt % water.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: December 15, 2020
    Assignees: Rohm and Haas Company, Union Carbide Corporation
    Inventors: Scott Backer, Randara Pulukkody, Mahesh R. Sawant, Eric P. Wasserman
  • Publication number: 20200157263
    Abstract: A method for solution polymerization. The method comprises polymerizing in a solvent a monomer mixture comprising: (a) 5 to 95 wt % of a C3-C5 ethylenically unsaturated dicarboxylic acid; and (b) 5 to 95 wt % of vinyl acetate; wherein the solvent comprises 51 to 88 wt % isopropanol and 12 to 49 wt % water.
    Type: Application
    Filed: October 24, 2017
    Publication date: May 21, 2020
    Applicants: Rohm and Haas Company, Union Carbide Corporation
    Inventors: Scott Backer, Randara Pulukkody, Mahesh R. Sawant, Eric P. Wasserman
  • Patent number: 10322955
    Abstract: Provided are compositions and methods that are useful for clarifying water, reducing turbidity of water, and removing salts from water. The compositions comprise (a) an anionic flocculant comprising at least one of an alkali swellable emulsion (ASE) or hydrophobically-modified alkali swellable emulsion (HASE), and (b) a cationic flocculant comprising (i) an aluminum-containing compound, and (ii) a copolymer of acrylamide and a cationic monomer comprising at least one of a diallyldialkylammonium quaternary compound, acrylamidoalkyltrialkylammonium quaternary compound, methacrylamidoalkyltrialkylammonium quaternary compound, and mixtures thereof.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: June 18, 2019
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Somil Chandrakant Mehta, Mahesh R. Sawant
  • Publication number: 20170253503
    Abstract: Provided are compositions and methods that are useful for clarifying water, reducing turbidity of water, and removing salts from water. The compositions comprise (a) an anionic flocculant comprising at least one of an alkali swellable emulsion (ASE) or hydrophobically-modified alkali swellable emulsion (HASE), and (b) a cationic flocculant comprising (i) an aluminum-containing compound, and (ii) a copolymer of acrylamide and a cationic monomer comprising at least one of a diallyldialkylammonium quaternary compound, acrylamidoalkyltrialkylammonium quaternary compound, methacrylamidoalkyltrialkylammonium quaternary compound, and mixtures thereof.
    Type: Application
    Filed: August 21, 2015
    Publication date: September 7, 2017
    Applicants: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Somil Chandrakant Mehta, Mahesh R. Sawant
  • Publication number: 20170014331
    Abstract: A composition having three components. The first component is a vegetable oil. The second component is an aliphatic quaternary ammonium salt having from five to twenty carbon atoms and from two to six hydroxyl groups. The third component is a surfactant package.
    Type: Application
    Filed: March 16, 2015
    Publication date: January 19, 2017
    Inventors: Sandeep V. Gadgil, Rejith R. Nair, Shamit Pillay, Mahesh R. Sawant