Patents by Inventor Suresh R. Sriram

Suresh R. Sriram 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: 20190233591
    Abstract: A process for the manufacturing of a poly(arylether sulfone) polymer comprising reacting in a solvent mixture comprising a polar aprotic solvent and in the presence of an alkali metal carbonate, a monomer mixture which contains: at least one 1,4:3,6-dianhydrohexitol selected from the group consisting of isosorbide (1), isomannide (2) and isoidide (3); at least one dihaloaryl compound of formula (S): X—Ar1—SO2—[Ar2—(T-Ar3)n—SO2]m—Ar4—X wherein n and m, equal to or different from each other, are independently zero or an integer of 1 to 5; X and X?, equal to or different from each other, are halogens selected from F, Cl, Br, I; each of Ar1, Ar2, Ar3 and Ar4 equal to or different from each other and at each occurrence, is an aromatic moiety, T is a bond or a divalent group optionally comprising one or more than one heteroatom; optionally, at least one dihydroxyl compound different from the diol (AA); optionally, at least one dihaloaryl compound different from the dihalo (BB); and optionally, at least one hydroxyl
    Type: Application
    Filed: April 4, 2019
    Publication date: August 1, 2019
    Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC.
    Inventors: Narmandakh TAYLOR, Charles R. HOPPIN, Ahmed KHAN, Henry BRADLEY, Suresh R. SRIRAM
  • Patent number: 10301432
    Abstract: A process for the manufacturing of a poly(arylether sulfone)polymer comprising reacting in a solvent mixture comprising a polar aprotic solvent and in the presence of an alkali metal carbonate, a monomer mixture which contains: at least one 1,4:3,6-dianhydrohexitol selected from the group consisting of isosorbide (1), isomannide (2) and isoidide (3); at least one dihaloaryl compound of formula (S): X—Ar1—SO2—[Ar2—(T-Ar3)n—SO2]m—Ar4—X??formula (S) wherein n and m, equal to or different from each other, are independently zero or an integer of 1 to 5; X and X?, equal to or different from each other, are halogens selected from F, Cl, Br, I; each of Ar1, Ar2, Ar3 and Ar4 equal to or different from each other and at each occurrence, is an aromatic moiety, T is a bond or a divalent group optionally comprising one or more than one heteroatom; optionally, at least one dihydroxyl compound different from the diol (AA); optionally, at least one dihaloaryl compound different from the dihalo (BB); and optionally, at leas
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: May 28, 2019
    Assignee: SOLVAY SPECIALTY POLYMERS USA, LLC.
    Inventors: Narmandakh Taylor, Charles R. Hoppin, Ahmed Khan, Henry Bradley, Suresh R. Sriram
  • Publication number: 20190144395
    Abstract: 2-substituted benzimidazoles and methods of preparing the same are disclosed. The compositions may include a compound or salt thereof, an acid, and a polar aprotic solvent. The compositions may be used to inhibit corrosion of a metal surface in contact with an aqueous system, and provide enhanced protection against corrosion of metals in the aqueous system.
    Type: Application
    Filed: November 9, 2018
    Publication date: May 16, 2019
    Applicant: Ecolab USA Inc.
    Inventors: Pradeep Cheruku, Suresh R. Sriram, James Joseph Michels
  • Publication number: 20180345297
    Abstract: Improved sparge compositions for reverse froth flotation separation and uses thereof, and improved methods of reverse froth flotation are described. Described are sparge compositions comprising collectors and beneficiating agents, the collectors comprising sulfonated fatty acids and/or salts thereof, and the beneficiating agents comprising a hydroxy fatty acid composition. The sparge compositions are suitably used in the reverse froth flotation to separate phosphate beneficiary from ores comprising phosphate and dolomite, calcite, silicate, and/or other gangues. The disclosed compositions and methods exhibit improved separation of phosphate from such ores.
    Type: Application
    Filed: May 25, 2018
    Publication date: December 6, 2018
    Inventors: Jianjun Liu, Suresh R. Sriram, Kevin O'Brien, Daniel N.T. Hay
  • Publication number: 20170368762
    Abstract: A laser-weldable composition and method using the same, said composition comprising at least one amorphous polyamide made from the polycondensation of at least an acyclic aliphatic diamine comprising at least 10 carbon atoms and/or at least an acyclic aliphatic diacid comprising at least 10 carbon atoms, and at least a phthalic acid selected from the group consisting of terephthalic acid and isophthalic acid, at least one flat glass fiber; and at least one organic dye which absorbs radiation at a wavelength from 800 to 1400 nm.
    Type: Application
    Filed: December 11, 2015
    Publication date: December 28, 2017
    Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC
    Inventors: Keshav GAUTAM, Linda M. NORFOLK, Suresh R. SRIRAM, Jiqiang XIA
  • Publication number: 20160303828
    Abstract: A mobile electronic part consisting of: (i) a pre-treated shaped metal part wherein the metal is selected from a group consisting of magnesium, aluminum and alloys of these metals, and (ii) an overmolded composition layer [layer (C), herein after] bonded onto said pre-treated shaped metal part wherein said composition comprises at least one poly(ethersulfone) polymer [(PESU) polymer herein after].
    Type: Application
    Filed: December 8, 2014
    Publication date: October 20, 2016
    Inventors: Suresh R. SRIRAM, Gregory C. PLITHIDES
  • Publication number: 20160114563
    Abstract: A mobile electronic part comprising: (i) a shaped metal part, at least part of the surface thereof being coated with at least one polymer layer (L), wherein the metal is selected from a group consisting of magnesium, aluminum and alloys of these metals, and wherein said polymer layer (L) comprises at least one polymer selected from an aromatic polyamide-imide polymer [(PAI) polymer, herein after] or a poly(ethersulfone) polymer [(PESU) polymer herein after], and (ii) a thermoplastic resin composition layer [layer (T), herein after] fixed to the at least one polymer layer (L) of said shaped metal part wherein said composition comprises at least one thermoplastic polymer [polymer (T), herein after].
    Type: Application
    Filed: June 10, 2014
    Publication date: April 28, 2016
    Inventors: Geoffrey Scott Underwood, Gregory C. Plithides, Mohammad Jamal El-Hibri, Hong Chen, Sebastien Petillon, Philippe Brasseur, Suresh R. Sriram
  • Publication number: 20150322210
    Abstract: The invention relates to modified polyaryl ether polymers (PAEs) obtained by end-capping the polymers with a phenolic aminoacid, in particular with a bio-phenolic aminoacid such as L-tyrosine. The polymers of the present invention feature high thermal resistance and increased hydrophilicity. The present invention also relates to a method for the manufacture of those polymers, and their use in the manufacture of shaped articles including membranes.
    Type: Application
    Filed: December 17, 2013
    Publication date: November 12, 2015
    Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC
    Inventors: Suresh R. SRIRAM, Narmandakh TAYLOR
  • Publication number: 20150299395
    Abstract: A process for the manufacturing of a poly(arylether sulfone)polymer comprising reacting in a solvent mixture comprisng a polar aprotic solvent and in the presence of an alkali metal carbonate, a monomer mixture which contains: at least one 1,4:3,6-dianhydrohexitol selected from the group consisting of isosorbide (1), isomannide (2) and isoidide (3); at least one dihaloaryl compound of formula (S): X—Ar1—SO2-[Ar2-(T-Ar3)n-SO2]m-Ar4—X wherein n and m, equal to or different from each other, are independently zero or an integer of 1 to 5; X and X?, equal to or different from each other, are halogens selected from F, Cl, Br, I; each of Ar1, Ar2, Ar3 and Ar4 equal to or different from each other and at each occurrence, is an aromatic moiety, T is a bond or a divalent group optionally comprising one or more than one heteroatom; optionally, at least one dihydroxyl compound different from the diol (AA); optionally, at least one dihaloaryl compound different from the dihalo (BB); and optionally, at least one hydroxyl-h
    Type: Application
    Filed: November 8, 2013
    Publication date: October 22, 2015
    Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC.
    Inventors: Narmandakh Taylor, Charles R. Hoppin, Ahmed Khan, Henry Bradley, Suresh R. Sriram
  • Publication number: 20140186624
    Abstract: The invention pertains to novel aromatic ether ketone polymers derived from bio-based feed-stocks, comprising recurring units of formula (Rb): wherein: —E is selected from the group consisting of: —each of R, equal to or different from each other, is selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; —j is zero or is an integer from 1 to 4, to a process for their manufacture and to the use of the same for manufacturing shaped articles.
    Type: Application
    Filed: August 9, 2012
    Publication date: July 3, 2014
    Applicant: SOLVAY SPECIALITY POLYMERS USA, LLC
    Inventors: Suresh R. Sriram, Charles R. Hoppin, Narmandakh Taylor, Satchit Srinivasan
  • Publication number: 20140127440
    Abstract: The present invention relates to components of mobile electronic devices made of an amorphous polyamide composition characterized by excellent mechanical properties, low moisture uptake, low distortion and very good aesthetical properties. The amorphous polyamide has recurring units derived from the polycondensation of a mixture of monomers of aromatic dicarboxylic acid(s), cycloaliphatic diamine(s) with 6 to 12 carbon atoms, and a third monomer with 10 to 16 carbon atoms.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 8, 2014
    Applicant: SOLVAY SPECIALTY POLYMERS USA, LLC.
    Inventors: Linda M. Norfolk, Geert J. Verfaillie, Rahul Shingte, Soumyadeb Ghosh, Rajdeep Majumder, Jignesh Markandray Shukla, Gururajan Padmanaban, Joel Flores, Suresh R. Sriram
  • Publication number: 20140031481
    Abstract: Polyamide composition very well suited for the manufacture of LED devices comprising: (a) at least a polyamide comprising recurring units derived from at least one C6 and/or at least one C10 diamine and from at least one dicarboxylic acid of the formula HO—C(?O)—R—C(?O)—OH wherein R is a cycloaliphatic moiety; (b) at least a reinforcing filler, and (c) at least a white pigment selected from a group consisting of TiO2, ZnS2, ZnO and BaSO4.
    Type: Application
    Filed: April 4, 2012
    Publication date: January 30, 2014
    Applicant: SOLVAY SPECIALITY POLYMERS USA, LLC
    Inventors: Nancy J. Singletary, Corinne Bushelman, Linda M. Norfolk, Suresh R. Sriram, Christie W. Crowe
  • Patent number: 7772435
    Abstract: Disclosed herein is a method comprising: (a) adding an aqueous solution comprising a quaternary ammonium salt to an organic solvent in a vessel under an inert atmosphere, thereby forming a first mixture comprising the quaternary ammonium salt and the solvent; and (b) mixing the first mixture at a temperature and for a time sufficient to remove water and a portion of the solvent from the first mixture, wherein the mixing is performed in an inert atmosphere and the temperature is less than the decomposition temperature of the quaternary ammonium salt.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: August 10, 2010
    Assignee: Sabic Innovative Plastics IP B.V.
    Inventors: Thomas Link Guggenheim, Paul Edward Howson, Farid Fouad Khouri, Lioba Maria Kloppenburg, Matthew Hal Littlejohn, Jacob Lee Oberholtzer, Juan Rodriguez Ordonez, Suresh R. Sriram, David Winfield Woodruff
  • Publication number: 20080161576
    Abstract: Disclosed herein is a method comprising: (a) adding an aqueous solution comprising a quaternary ammonium salt to an organic solvent in a vessel under an inert atmosphere, thereby forming a first mixture comprising the quaternary ammonium salt and the solvent; and (b) mixing the first mixture at a temperature and for a time sufficient to remove water and a portion of the solvent from the first mixture, wherein the mixing is performed in an inert atmosphere and the temperature is less than the decomposition temperature of the quaternary ammonium salt.
    Type: Application
    Filed: December 28, 2006
    Publication date: July 3, 2008
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Thomas Link Guggenheim, Paul Edward Howson, Farid Fouad Khouri, Lioba Maria Kloppenburg, Matthew Hal Littlejohn, Jacob Lee Oberholtzer, Juan Rodriguez Ordonez, Suresh R. Sriram, David Winfield Woodruff
  • Patent number: 6858659
    Abstract: A composite material, contains a polymer, a polymerizer, a corresponding catalyst for the polymerizer, and a plurality of capsules. The polymerizer is in the capsules. The composite material is self-healing.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: February 22, 2005
    Assignee: The Board of Trustess of the University of Illinois
    Inventors: Scott R. White, Nancy R. Sottos, Philippe H. Geubelle, Jeffrey S. Moore, Suresh R. Sriram, Michael R. Kessler, Eric N. Brown
  • Publication number: 20030060569
    Abstract: A composite material, contains a polymer, a polymerizer, a corresponding catalyst for the polymerizer, and a plurality of capsules. The polymerizer is in the capsules. The composite material is self-healing.
    Type: Application
    Filed: October 25, 2002
    Publication date: March 27, 2003
    Inventors: Scott R. White, Nancy R. Sottos, Philippe H. Geubelle, Jeffrey S. Moore, Suresh R. Sriram, Michael R. Kessler, Eric N. Brown
  • Patent number: 6518330
    Abstract: A composite material, contains a polymer, a polymerizer, a corresponding catalyst for the polymerizer, and a plurality of capsules. The polymerizer is in the capsules. The composite material is self-healing.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: February 11, 2003
    Assignee: Board of Trustees of University of Illinois
    Inventors: Scott R. White, Nancy R. Sottos, Philippe H. Geubelle, Jeffrey S. Moore, Suresh R. Sriram, Michael R. Kessler, Eric N. Brown
  • Publication number: 20020111434
    Abstract: A composite material, contains a polymer, a polymerizer, a corresponding catalyst for the polymerizer, and a plurality of capsules. The polymerizer is in the capsules. The composite material is self-healing.
    Type: Application
    Filed: February 13, 2001
    Publication date: August 15, 2002
    Inventors: Scott R. White, Nancy R. Sottos, Philippe H. Geubelle, Jeffrey S. Moore, Suresh R. Sriram, Michael R. Kessler, Eric N. Brown