Patents by Inventor Ashwin R. Bharadwaj

Ashwin R. Bharadwaj 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: 11123688
    Abstract: The present invention relates to a dehydration composition and method of use thereof for drying gas streams, in particular natural gas streams, wherein the dehydration composition comprises (i) a glycol, (ii) an imidazole compound, and optionally (iii) one or more of an alkali metal carboxylate, an additional glycol different than (i), an alkanolamine, a phosphate acid, a salt of a phosphate acid, a borate acid, a salt of a borate acid, a sweetening agent, a low temperature viscosity improver, a corrosion inhibitor, an antifoaming agent, or mixtures thereof.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: September 21, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: Christophe R. Laroche, Eric J. Klinker, Sara B. Klamo, Angela I. Padilla-Acevedo, Ashwin R. Bharadwaj, Stephen W. King, Edward D. Daugs, Brian A. Jazdzewski
  • Publication number: 20210274744
    Abstract: A method for suppressing the formation of ammonia comprising providing a carrier material to a container having a headspace; providing a bacteria and an odor inhibitor to the carrier material, the bacteria comprising Staphylococcus-xylosus and/or Staphylococcus-cohnii bacteria, and the odor inhibitor comprising an aminopolycarboxylic acid compound and a polyprotic acid compound, wherein at least one of the aminopolycarboxylic acid compound or the polyprotic acid compound is the salt form of the acid; and applying animal waste to the carrier material; wherein there is a 5 to 98 percent improvement of ammonia content in the headspace as compared to an untreated control comprising a container containing the carrier material and the bacteria and not contain the odor inhibitor. An ammonia suppressing composition.
    Type: Application
    Filed: March 21, 2018
    Publication date: September 9, 2021
    Inventors: Ashwin R. Bharadwaj, Sara B. Klamo, Aslin Izmitli, Bruce D. Hook, Kimberly A. Surber, Stephen E. Fosdick, Sung-Yu Ku
  • Publication number: 20200009281
    Abstract: An odor control agent comprising: a filler; a binder; an active comprising an aminopolycarboxylic acid and a polyprotic acid. An odor control agent comprising: an active comprising an aminopolycarboxylic acid and a polyprotic acid, wherein at least one of the aminopolycarboxylic acid or the polyprotic acid is the salt form of the acid.
    Type: Application
    Filed: March 21, 2018
    Publication date: January 9, 2020
    Inventors: Stephen E. Fosdick, Sung-Yu Ku, Ashwin R. Bharadwaj
  • Publication number: 20190118136
    Abstract: The present invention relates to a dehydration composition and method of use thereof for drying gas streams, in particular natural gas streams, wherein the dehydration composition comprises (i) a glycol, (ii) an imidazole compound, and optionally (iii) one or more of an alkali metal carboxylate, an additional glycol different than (i), an alkanolamine, a phosphate acid, a salt of a phosphate acid, a borate acid, a salt of a borate acid, a sweetening agent, a low temperature viscosity improver, a corrosion inhibitor, an antifoaming agent, or mixtures thereof.
    Type: Application
    Filed: April 20, 2017
    Publication date: April 25, 2019
    Inventors: Christophe Laroche, Eric J. Klinker, Sara B. Klamo, Angela I. Padilla-Acevedo, Ashwin R. Bharadwaj, Stephen W. King, Edward D. Daugs, Brian A. Jazdzewski
  • Patent number: 9822324
    Abstract: Provided are compositions and their use as dispersant and/or detergent additives for lubricants. The compositions comprise an amine alkoxylate of the formula I: (I) wherein R1-R7, R1?-R7; x, x?, A, A? and A? are as defined herein.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: November 21, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Cynthia Pierre, Stephen W. King, Daniel A. Aguilar, Brian A. Jazdzewski, John B. Cuthbert, Paul R. Elowe, Ashwin R. Bharadwaj
  • Patent number: 8716503
    Abstract: A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene with (b) at least one oxidant in the presence of (c) at least one transition metal complex catalyst, and (d) optionally, in the presence of a solvent, and (e) optionally in the presence of a catalyst modifier under conditions to form a divinylarene dioxide product.
    Type: Grant
    Filed: October 15, 2010
    Date of Patent: May 6, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Gyongyi Gulyas, Ashwin R. Bharadwaj, Robert J. Wright, Marty J. Null, Eric B. Ripplinger
  • Publication number: 20140045973
    Abstract: A composition comprising a polyepoxide, a hardener, trimethyl borate, and a flame retardant is disclosed. Methods for preparing the composition and its end uses are also disclosed.
    Type: Application
    Filed: May 1, 2012
    Publication date: February 13, 2014
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Ashwin R. Bharadwaj, William E. Mercer, II, Lameck Banda, Michael J. Mullins
  • Publication number: 20130005998
    Abstract: A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene; (b) at least one oxidant, wherein the at least one oxidant is a partially neutralized sulfuromonoperoxoic acid such as partially neutralized Caro's acid solution; (c) at least one basic compound; (d) optionally, at least one solvent, and (e) optionally, at least one catalyst; wherein the process is carried out under conditions to form a divinylarene dioxide product.
    Type: Application
    Filed: March 17, 2011
    Publication date: January 3, 2013
    Inventors: Gyongyi Gulyas, Ashwin R. Bharadwaj, Marty J. Null
  • Publication number: 20120209015
    Abstract: A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene with (b) at least one oxidant in the presence of (c) at least one transition metal complex catalyst, and (d) optionally, in the presence of a solvent, and (e) optionally in the presence of a catalyst modifier under conditions to form a divinylarene dioxide product.
    Type: Application
    Filed: October 15, 2010
    Publication date: August 16, 2012
    Inventors: Gyongyi Gulyas, Ashwin R. Bharadwaj, Robert J. Wright, Marty J. Null, Eric B. Ripplinger
  • Publication number: 20110136993
    Abstract: Phosphorus-containing compounds of formula (I): (I) wherein m, n, R, R1 and R2 are as set forth in the claims. The compounds of formula (I) can be used to provide polymers with flame retardant properties.
    Type: Application
    Filed: August 26, 2009
    Publication date: June 9, 2011
    Applicant: Dow Global Technologies LLC
    Inventors: Anteneh Z Worku, Ashwin R. Bharadwaj, Raymond J. Thibault, Mark B. Wilson, Douglas L. Potts
  • Publication number: 20100298475
    Abstract: The present invention relates to flame resistance additives for organic polymers, and in particular polyphosphonate-type flame resistance additives in a polycarbonate or a polyester carbonate and/or in blends of polycarbonate or a polyester carbonate with an acrylonitrile, butadiene, and styrene terpolymer. The aromatic polyphosphonate compounds of the present invention are represented by the structure, wherein a and b are each from 0 to 6, with a+b being from 2 to 6, each R is independently hydrogen, unsubstituted or inertly substituted alkyl having up to 6 carbon atoms, —NO2, —NR12, —C?N, —OR1, —C(O)OR1, or —C(O)NR12 (wherein R1 is hydrocarbyl or hydrogen), each R2 is independently hydrogen, alkyl or inertly substituted alkyl, each R3 is a covalent bond or a divalent linking group, and each R4 is independently an alkyl, aryl, inertly substituted alkyl or inertly substituted aryl group.
    Type: Application
    Filed: January 8, 2009
    Publication date: November 25, 2010
    Inventors: David R. Wilson, Ravi B. Shankar, Ashwin R. Bharadwaj, Bruce A. King