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).
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Patent number: 11952495Abstract: 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: GrantFiled: October 11, 2021Date of Patent: April 9, 2024Assignee: Life Technologies CorporationInventors: Yi-Zhen Hu, Aimei Chen, Daniel Beacham, Chrisgen Vonnegut, Krishnamurthy Nacharaju
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Patent number: 10407528Abstract: 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: GrantFiled: March 19, 2018Date of Patent: September 10, 2019Assignee: ISP INVESTMENTS LLCInventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
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Patent number: 10351523Abstract: 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: GrantFiled: December 13, 2017Date of Patent: July 16, 2019Assignee: ISP INVESTMENTS LLCInventors: Krishnamurthy Nacharaju, Christophe Buron, Christopher J. Toney, Michael A. Tallon
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Patent number: 10328003Abstract: 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: GrantFiled: June 10, 2016Date of Patent: June 25, 2019Assignee: ISP INVESTMENTS LLCInventors: Ilya Makarovsky, Michael A. Tallon, Hani M. Fares, Donald I. Prettypaul, Krishnamurthy Nacharaju, Anna A. Gripp, Osama M. Musa
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Patent number: 10233276Abstract: 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: GrantFiled: March 30, 2015Date of Patent: March 19, 2019Assignee: ISP Investments LLCInventors: Michael A. Tallon, Mousumi Ghosh, Krishnamurthy Nacharaju, Hani M. Fares, Donald I Prettypaul, Osama M. Musa
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Publication number: 20180208695Abstract: 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: ApplicationFiled: March 19, 2018Publication date: July 26, 2018Applicant: ISP INVESTMENTS LLCInventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
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Publication number: 20180168970Abstract: 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: ApplicationFiled: June 10, 2016Publication date: June 21, 2018Applicant: ISP INVESTMENTS LLCInventors: Ilya MAKAROVSKY, Michael A. Tallon, Hani M. Fares, Donald I. Prettypaul, Krishnamurthy Nacharaju, Anna A. Gripp, Osama M. Musa
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Publication number: 20180099927Abstract: 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: ApplicationFiled: December 13, 2017Publication date: April 12, 2018Applicant: ISP INVESTMENTS LLCInventors: Krishnamurthy Nacharaju, Christophe Buron, Christopher J. Toney, Michael A. Tallon
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Patent number: 9920146Abstract: 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: GrantFiled: May 21, 2015Date of Patent: March 20, 2018Assignee: ISP Investments LLCInventors: Krishnamurthy Nacharaju, Giovanni Nicola Onnembo, Mustafa Rehmanji, Andrew Mola, Bala Balasanmugam, Joycelyn Yapchulay
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Patent number: 9920152Abstract: 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: GrantFiled: January 6, 2017Date of Patent: March 20, 2018Assignee: ISP INVESTMENTS LLCInventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
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Patent number: 9868798Abstract: 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: GrantFiled: March 17, 2015Date of Patent: January 16, 2018Assignee: ISP Investments LLCInventors: Osama M. Musa, Krishnamurthy Nacharaju, Cristian Grigoras
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Publication number: 20170190813Abstract: 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: ApplicationFiled: May 21, 2015Publication date: July 6, 2017Applicant: ISP Investments LLCInventors: Krishnamurthy Nacharaju, Giovanni Nicola Onnembo, Mustafa Rehmanji, Andrew Mola, Bala Balasanmugam, Joycelyn Yapchulay
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Publication number: 20170174809Abstract: 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: ApplicationFiled: March 30, 2015Publication date: June 22, 2017Applicant: ISP Investments LLCInventors: Michael A. TALLON, Mousumi GHOSH, Krishnamurthy NACHARAJU, Hani M. FARES, Donald I PRETTYPAUL, Osama M. Musa
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Publication number: 20170114173Abstract: 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: ApplicationFiled: January 6, 2017Publication date: April 27, 2017Applicant: ISP INVESTMENTS LLCInventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
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Publication number: 20170101485Abstract: 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: ApplicationFiled: March 17, 2015Publication date: April 13, 2017Applicant: ISP Investments LLCInventors: Osama M. MUSA, Krishnamurthy NACHARAJU, Cristian GRIGORAS
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Patent number: 9540474Abstract: 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: GrantFiled: February 24, 2014Date of Patent: January 10, 2017Assignee: ISP INVESTMENTS LLCInventors: Krishnamurthy Nacharaju, Osama M. Musa, Michael A. Tallon
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Publication number: 20160002154Abstract: 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: ApplicationFiled: February 21, 2014Publication date: January 7, 2016Applicant: ISP INVESTMENTS INC.Inventors: Krishnamurthy Nacharaju, Christophe Buron, Christopher J. Toney, Michael A. Tallon
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Publication number: 20160002384Abstract: 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: ApplicationFiled: February 24, 2014Publication date: January 7, 2016Applicant: ISP INVESTMENTS INC.Inventors: Krishnamurthy Nacharaju, Osamu M. Musa, Michael A. Tallon
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Patent number: 8258362Abstract: 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: GrantFiled: May 4, 2010Date of Patent: September 4, 2012Assignee: ISP Investments Inc.Inventors: Krishnamurthy Nacharaju, Paul D. Taylor, Mark J. Cooney, Larry A. Crabtree
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Publication number: 20100280299Abstract: 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: ApplicationFiled: May 4, 2010Publication date: November 4, 2010Applicant: ISP Investments Inc.Inventors: Krishnamurthy Nacharaju, Paul D. Taylor, Mark J. Cooney, Larry A. Crabtree