Patents by Inventor Krishnamurthy Nacharaju

Krishnamurthy Nacharaju 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: 11952495
    Abstract: The present disclosure provides for compounds of Formula (I), its corresponding compounds of Formula (II) or salts thereof and their use as fluorogenic pH sensors.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: April 9, 2024
    Assignee: Life Technologies Corporation
    Inventors: Yi-Zhen Hu, Aimei Chen, Daniel Beacham, Chrisgen Vonnegut, Krishnamurthy Nacharaju
  • Patent number: 10407528
    Abstract: UV-absorbing polymers are provided that have at least one anhydride repeating unit that is covalently attached to at least one UV-absorbing moiety selected from the group consisting of functionalized dibenzoylmethanes, benzophenone sulfonamides, triphenyl triazines, and combinations thereof. Also provided are formulations comprising the UV-absorbing polymers.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: September 10, 2019
    Assignee: ISP INVESTMENTS LLC
    Inventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
  • Patent number: 10351523
    Abstract: UV-absorbing compounds are provided that have at least one reactive hydrogen. These compounds have structures: wherein the generic notations have meanings as described herein. Also provided are formulations comprising a UV-absorbing compounds.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 16, 2019
    Assignee: ISP INVESTMENTS LLC
    Inventors: Krishnamurthy Nacharaju, Christophe Buron, Christopher J. Toney, Michael A. Tallon
  • Patent number: 10328003
    Abstract: A photo protective topical composition, comprising: (i) at least one functional active; and (ii) at least one solubilizing compound having the structure of Formula I: wherein R is C5-C10 cycloalkyl or linear or branched alkylcycloalkyl, wherein the ring size is C5-C7; R1, R2, and R3 are each independently selected from the group consisting of H, and linear or branched C1-C4 alkyl, provided that at least two of R1, R2, R3 are H; wherein the solubilizing compound is present in an amount effective to solubilize said functional active. Also disclosed is a method for treating skin, lips, nails, hair, ears, eyelashes, eyebrows and/or scalp with an effective amount of composition.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: June 25, 2019
    Assignee: ISP INVESTMENTS LLC
    Inventors: Ilya Makarovsky, Michael A. Tallon, Hani M. Fares, Donald I. Prettypaul, Krishnamurthy Nacharaju, Anna A. Gripp, Osama M. Musa
  • Patent number: 10233276
    Abstract: The invention provides polymers comprising repeating units derived from (a) from 16% by weight to about 35% by weight of said polymer of at least one N-vinyl lactam monomer; (b) at least one monomer selected from the group consisting of functionalized and unfunctionalized C1-C6 alkyl (meth)acrylates, C1-C6 alkyl (meth)acrylamides and combinations thereof; and (c) at least one monomer selected from the group consisting of functionalized and unfunctionalized C8-C30 branched alkyl (meth)acrylates, C8-C30 branched alkyl (meth)acrylamides, and combinations thereof; wherein the polymer has a glass transition temperature of greater than about 45° C. The invention further provides various compositions, such as, personal care, sun care, coatings, and pharmaceutical compositions comprising the polymers described herein. The invention furthermore provides water-resistant sun care compositions comprising the polymers described herein. Subscripts x, y and z are described herein.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: March 19, 2019
    Assignee: ISP Investments LLC
    Inventors: Michael A. Tallon, Mousumi Ghosh, Krishnamurthy Nacharaju, Hani M. Fares, Donald I Prettypaul, Osama M. Musa
  • Publication number: 20180208695
    Abstract: UV-absorbing polymers are provided that have at least one anhydride repeating unit that is covalently attached to at least one UV-absorbing moiety selected from the group consisting of functionalized dibenzoylmethanes, benzophenone sulfonamides, triphenyl triazines, and combinations thereof. Also provided are formulations comprising the UV-absorbing polymers.
    Type: Application
    Filed: March 19, 2018
    Publication date: July 26, 2018
    Applicant: ISP INVESTMENTS LLC
    Inventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
  • Publication number: 20180168970
    Abstract: A photo protective topical composition, comprising: (i) at least one functional active; and (ii) at least one solubilizing compound having the structure of Formula I: wherein R is C5-C10 cycloalkyl or linear or branched alkylcycloalkyl, wherein the ring size is C5-C7; R1, R2, and R3 are each independently selected from the group consisting of H, and linear or branched C1-C4 alkyl, provided that at least two of R1, R2, R3 are H; wherein the solubilizing compound is present in an amount effective to solubilize said functional active. Also disclosed is a method for treating skin, lips, nails, hair, ears, eyelashes, eyebrows and/or scalp with an effective amount of composition.
    Type: Application
    Filed: June 10, 2016
    Publication date: June 21, 2018
    Applicant: ISP INVESTMENTS LLC
    Inventors: Ilya MAKAROVSKY, Michael A. Tallon, Hani M. Fares, Donald I. Prettypaul, Krishnamurthy Nacharaju, Anna A. Gripp, Osama M. Musa
  • Publication number: 20180099927
    Abstract: UV-absorbing compounds are provided that have at least one reactive hydrogen. These compounds have structures: wherein the generic notations have meanings as described herein. Also provided are formulations comprising a UV-absorbing compounds.
    Type: Application
    Filed: December 13, 2017
    Publication date: April 12, 2018
    Applicant: ISP INVESTMENTS LLC
    Inventors: Krishnamurthy Nacharaju, Christophe Buron, Christopher J. Toney, Michael A. Tallon
  • Patent number: 9920146
    Abstract: Provided is a method of treatment of an alcoholic beverage, particularly beer or wine, for removing ingredient(s) causing undesirable sulfury and/or fatty flavor(s), by contacting the beverage with a composition having a polymer-hydrogen peroxide complex, wherein the polymer is derived from at least one N-vinyl lactam monomer, and wherein the hydrogen peroxide is present in an amount from about 1% by weight to about 50% by weight of the complex. Provided further is a method of treatment of an alcoholic beverage to remove at least (a) at least one ingredient causing at least one undesirable sulfury and/or fatty flavor, and (b) at least one ingredient causing colloidal haze, including contacting the beverage with a composition described herein. Provided furthermore is an alcoholic beverage obtained by the method(s) of treatment described herein.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: March 20, 2018
    Assignee: ISP Investments LLC
    Inventors: Krishnamurthy Nacharaju, Giovanni Nicola Onnembo, Mustafa Rehmanji, Andrew Mola, Bala Balasanmugam, Joycelyn Yapchulay
  • Patent number: 9920152
    Abstract: UV-absorbing polymers are provided that have at least one anhydride repeating unit that is covalently attached to at least one UV-absorbing moiety selected from the group consisting of functionalized dibenzoylmethanes, benzophenone sulfonamides, triphenyl triazines, and combinations thereof. Also provided are formulations comprising the UV-absorbing polymers.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: March 20, 2018
    Assignee: ISP INVESTMENTS LLC
    Inventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
  • Patent number: 9868798
    Abstract: The present invention provides amic acids and imides derived from a polymer comprising: (a) maleic anhydride, (b) a first C1-C7 alkyl vinyl ether monomer, and (c) a second C8-C30 alkyl vinyl ether monomer, wherein the polymer contains an amic acid or an imide group. The polymers containing an amic acid or an imide group of the invention may be employed in a wide variety of compositions, particularly in oral care compositions. Non-limiting generic structures of the amidic polymers are set out below: (I) wherein R1-R3, M, a, b, c, d, e, and f are defined herein.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: January 16, 2018
    Assignee: ISP Investments LLC
    Inventors: Osama M. Musa, Krishnamurthy Nacharaju, Cristian Grigoras
  • Publication number: 20170190813
    Abstract: Provided is a method of treatment of an alcoholic beverage, particularly beer or wine, for removing ingredient(s) causing undesirable sulfury and/or fatty flavor(s), by contacting the beverage with a composition comprising a polymer-hydrogen peroxide complex, wherein the polymer is derived from at least one N-vinyl lactam monomer, and wherein the hydrogen peroxide is present in an amount from about 1% by weight to about 50% by weight of the complex. Provided further is a method of treatment of an alcoholic beverage to remove at least (a) at least one ingredient causing at least one undesirable sulfury and/or fatty flavor, and (b) at least one ingredient causing colloidal haze, comprising contacting the beverage with a composition described herein. Provided furthermore is an alcoholic beverage obtained by the method(s) of treatment described herein.
    Type: Application
    Filed: May 21, 2015
    Publication date: July 6, 2017
    Applicant: ISP Investments LLC
    Inventors: Krishnamurthy Nacharaju, Giovanni Nicola Onnembo, Mustafa Rehmanji, Andrew Mola, Bala Balasanmugam, Joycelyn Yapchulay
  • Publication number: 20170174809
    Abstract: The invention provides polymers comprising repeating units derived from (a) from 16% by weight to about 35% by weight of said polymer of at least one N-vinyl lactam monomer; (b) at least one monomer selected from the group consisting of functionalized and unfunctionalized C1-C6 alkyl (meth)acrylates, C1-C6 alkyl (meth)acrylamides and combinations thereof; and (c) at least one monomer selected from the group consisting of functionalized and unfunctionalized C8-C30 branched alkyl (meth)acrylates, C8-C30 branched alkyl (meth)acrylamides, and combinations thereof; wherein the polymer has a glass transition temperature of greater than about 45° C. The invention further provides various compositions, such as, personal care, sun care, coatings, and pharmaceutical compositions comprising the polymers described herein. The invention furthermore provides water-resistant sun care compositions comprising the polymers described herein. Subscripts x, y and z are described herein.
    Type: Application
    Filed: March 30, 2015
    Publication date: June 22, 2017
    Applicant: ISP Investments LLC
    Inventors: Michael A. TALLON, Mousumi GHOSH, Krishnamurthy NACHARAJU, Hani M. FARES, Donald I PRETTYPAUL, Osama M. Musa
  • Publication number: 20170114173
    Abstract: UV-absorbing polymers are provided that have at least one anhydride repeating unit that is covalently attached to at least one UV-absorbing moiety selected from the group consisting of functionalized dibenzoylmethanes, benzophenone sulfonamides, triphenyl triazines, and combinations thereof. Also provided are formulations comprising the UV-absorbing polymers.
    Type: Application
    Filed: January 6, 2017
    Publication date: April 27, 2017
    Applicant: ISP INVESTMENTS LLC
    Inventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
  • Publication number: 20170101485
    Abstract: The present invention provides amic acids and imides derived from a polymer comprising: (a) maleic anhydride, (b) a first C1-C7 alkyl vinyl ether monomer, and (c) a second C8-C30 alkyl vinyl ether monomer, wherein the polymer contains an amic acid or an imide group. The polymers containing an amic acid or an imide group of the invention may be employed in a wide variety of compositions, particularly in oral care compositions. Non-limiting generic structures of the amidic polymers are set out below: (I) wherein R1-R3, M, a, b, c, d, e, and f are defined herein.
    Type: Application
    Filed: March 17, 2015
    Publication date: April 13, 2017
    Applicant: ISP Investments LLC
    Inventors: Osama M. MUSA, Krishnamurthy NACHARAJU, Cristian GRIGORAS
  • Patent number: 9540474
    Abstract: UV-absorbing polymers are provided that have at least one anhydride repeating unit that is covalently attached to at least one UV-absorbing moiety selected from the group consisting of functionalized dibenzoylmethanes, benzophenone sulfonamides, triphenyl triazines, and combinations thereof. Also provided are formulations comprising the UV-absorbing polymers.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: January 10, 2017
    Assignee: ISP INVESTMENTS LLC
    Inventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
  • Publication number: 20160002154
    Abstract: UV-absorbing compounds are provided that have at least one reactive hydrogen. These compounds have structures: wherein the generic notations have meanings as described herein. Also provided are formulations comprising a UV-absorbing compounds.
    Type: Application
    Filed: February 21, 2014
    Publication date: January 7, 2016
    Applicant: ISP INVESTMENTS INC.
    Inventors: Krishnamurthy Nacharaju, Christophe Buron, Christopher J. Toney, Michael A. Tallon
  • Publication number: 20160002384
    Abstract: UV-absorbing polymers are provided that have at least one anhydride repeating unit that is covalently attached to at least one UV-absorbing moiety selected from the group consisting of functionalized dibenzoylmethanes, benzophenone sulfonamides, triphenyl triazines, and combinations thereof. Also provided are formulations comprising the UV-absorbing polymers.
    Type: Application
    Filed: February 24, 2014
    Publication date: January 7, 2016
    Applicant: ISP INVESTMENTS INC.
    Inventors: Krishnamurthy Nacharaju, Osamu M. Musa, Michael A. Tallon
  • Patent number: 8258362
    Abstract: A process for the synthesis of linear ?,?-diolefins from an allylic substrate comprises the steps of a) forming the bis-Grignard reagent XMgCH2(CH2)nCH2MgX from an ?,?-acyclic dihalide with X being a halogen; b) preparing a solution comprising an allylic substrate and a copper catalyst; c) catalyzing a coupling reaction by adding to the solution of step (b) the bis-Grignard reagent of step (a); and d) isolating and purifying the ?,?-olefin coupling reaction product.
    Type: Grant
    Filed: May 4, 2010
    Date of Patent: September 4, 2012
    Assignee: ISP Investments Inc.
    Inventors: Krishnamurthy Nacharaju, Paul D. Taylor, Mark J. Cooney, Larry A. Crabtree
  • Publication number: 20100280299
    Abstract: A process for the synthesis of linear ?,?-diolefins from an allylic substrate comprises the steps of a) forming the bis-Grignard reagent XMgCH2(CH2)nCH2MgX from an ?,?-acyclic dihalide with X being a halogen; b) preparing a solution comprising an allylic substrate and a copper catalyst; c) catalyzing a coupling reaction by adding to the solution of step (b) the bis-Grignard reagent of step (a); and d) isolating and purifying the ?,?-olefin coupling reaction product.
    Type: Application
    Filed: May 4, 2010
    Publication date: November 4, 2010
    Applicant: ISP Investments Inc.
    Inventors: Krishnamurthy Nacharaju, Paul D. Taylor, Mark J. Cooney, Larry A. Crabtree