Patents by Inventor Krishnan Tamareselvy
Krishnan Tamareselvy 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: 8673277Abstract: Disclosed are multi-staged acrylic based core-shell polymers comprising a linear core polymer and at least one subsequently polymerized shell polymers is crosslinked. The core-shell polymers surprisingly provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions, particularly at low pH.Type: GrantFiled: July 7, 2011Date of Patent: March 18, 2014Assignee: Lubrizol Advanced Materials, Inc.Inventors: Krishnan Tamareselvy, Deborah S. Filla, Steven J. Smith, David L. Dashiell, Gary Gray, Yi Yang, John J. Mullay
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Publication number: 20130189198Abstract: Disclosed are surfactant compositions containing at least one crosslinked acrylic copolymer. The crosslinked acrylic copolymer is polymerized in the presence of at least two different classes of crosslinking monomers. The crosslinked acrylic copolymers provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions.Type: ApplicationFiled: October 5, 2011Publication date: July 25, 2013Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventor: Krishnan Tamareselvy
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Publication number: 20130183361Abstract: Disclosed are multi-staged acrylic based core-shell polymers comprising a linear core polymer and at least one subsequently polymerized shell polymer. At least one of the subsequently polymerized shell polymers is crosslinked. The core-shell polymers surprisingly provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions, particularly at low pH. The multi-staged acrylic base core-shell polymers can be included in at least one phase of a multi-phase personal care, home care, health care, and institutional and industrial care composition to impart phase stability thereto.Type: ApplicationFiled: September 30, 2011Publication date: July 18, 2013Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: Krishnan Tamareselvy, Nancy S. Marchant, David L. Dashiell, Deborah S. Filla
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Publication number: 20130164242Abstract: The present invention relates to hair care and personal care compositions which contain an acrylic copolymer which is polymerized in the presence of at least two different classes of crosslinking monomers. The polymer functions both as a fixative/film former and a thickening agent for hair styling and personal care compositions in which it is contained. The copolymer exhibits advantageous fixative, film forming and rheological gel properties.Type: ApplicationFiled: September 1, 2011Publication date: June 27, 2013Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: Krishnan Tamareselvy, Pascal Staelens
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Publication number: 20130115185Abstract: Disclosed are multi-staged acrylic based core-shell polymers comprising a linear core polymer and at least one subsequently polymerized shell polymers is crosslinked. The core-shell polymers surprisingly provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions, particularly at low pH.Type: ApplicationFiled: July 7, 2011Publication date: May 9, 2013Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: Krishnan Tamareselvy, Deborah S. Filla, Steven J. Smith, David L. Dashiell, Gary Gray, Yi Yang, John J. Mullay
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Publication number: 20130101543Abstract: Disclosed are blends of acrylic polymers comprising at least one crosslinked acrylic copolymer and at least one linear acrylic copolymer. The acrylic polymer blends surprisingly provide desirable rheological, clarity, and aesthetic properties in aqueous surfactant containing compositions, particularly at low pH.Type: ApplicationFiled: July 7, 2011Publication date: April 25, 2013Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: Krishnan Tamareselvy, Denise W. Rafferty
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Publication number: 20120316308Abstract: The present invention relates to hydrolytically stable multi-purpose polymers that are polymerized from a monomer mixture comprising: at least one amino-substituted meth(acrylate) (ASMA) monomer or salt thereof; and at least one nonionic vinyl (NIV) monomer, wherein the monomer mixture optionally comprises one or more of at least one vinyl associative (VA) monomer; at least one vinyl surfactant (VS) monomer; and/or at least one polymerizable silicone macromer (PSM) and wherein the monomer mixture further optionally comprises one or more of at least one crosslinking (XL) monomer; at least one chain transfer agent (CTA); and/or at least one polymeric stabilizer. The multi-purpose polymers of the present invention can also be prepared from monomer mixtures containing chain transfer agents or other functional components commonly utilized in polymerization process.Type: ApplicationFiled: December 1, 2010Publication date: December 13, 2012Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: Krishnan Tamareselvy, Yanshi Zhang, Deborah S. Filla
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Patent number: 8293845Abstract: A method for increasing the efficacy of hydrophobically modified (meth)acrylic based polymers to increase the critical micelle concentration of a surfactant composition by attenuating the degree of neutralization (DN) of the polymer is disclosed.Type: GrantFiled: November 9, 2007Date of Patent: October 23, 2012Inventors: Krishnan Tamareselvy, William F. Masler, III, Deborah S. Filla, Gary Gray
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Publication number: 20120237465Abstract: The present invention relates to compositions containing hydrolytically stable multi-purpose polymers that are polymerized from a monomer mixture comprising: at least one amino-substituted meth(acrylate) (ASMA) monomer or salt thereof; and at least one nonionic vinyl (NIV) monomer, wherein the monomer mixture optionally comprises one or more of at least one vinyl associative (VA) monomer; at least one vinyl surfactant (VS) monomer; and/or at least one polymerizable silicone macromer (PSM) and wherein the monomer mixture further optionally comprises one or more of at least one crosslinking (XL) monomer; at least one chain transfer agent (CTA); and/or at least one polymeric stabilizer. The multi-purpose polymers of the present invention can also be prepared from monomer mixtures containing chain transfer agents or other functional components commonly utilized in polymerization processes.Type: ApplicationFiled: December 1, 2010Publication date: September 20, 2012Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: Krishnan Tamareselvy, Deborah S. Filla, Pinky G. Purohit, Wing K. Li
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Publication number: 20120136174Abstract: The present invention relates to a method for synthesizing amonoalcohols (e.g., aminoalcohols that contain an amine group that is either unsubstituted, mono-substituted, or di-substituted) and to the products formed therefrom. In one embodiment, the present invention relates to a method for synthesizing aminoalcohols from a corresponding aminoaldehyde and to the products formed therefrom. In another embodiment, the present invention relates to a method for synthesizing aminoalcohols from a corresponding aminoaldehyde via a hydrogenation process using a suitable catalyst (e.g., Raney® Nickel) and to the products formed therefrom. In still another embodiment, the present invention relates to aminoalcohols formed via direct hydrogenation from a corresponding aminoaldehyde without the intervening step of converting the aminoaldehyde starting material to a salt.Type: ApplicationFiled: August 5, 2010Publication date: May 31, 2012Applicant: LUBRIZOL ADVANCED MATERIALS, INC.Inventors: Yanshi Zhang, Krishnan Tamareselvy
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Patent number: 8044156Abstract: Disclosed are multi-purpose polymers that are the polymerization product of a monomer mixture comprising at least one amino-substituted vinyl monomer; at least one nonionic vinyl monomer; at least one associative vinyl monomer; at least one semihydrophobic vinyl surfactant monomer; and, optionally, comprising one or more hydroxy-substituted nonionic vinyl monomer, crosslinking monomer, chain transfer agent or polymeric stabilizer. These vinyl addition polymers have a combination of substituents, including amino substituents that provide cationic properties at low pH, hydrophobic substituents, hydrophobically modified polyoxyalkylene substituents, and hydrophilic polyoxyalkylene substituents. The polymers provide surprisingly beneficial rheological properties in acidic aqueous compositions, and are compatible with cationic materials. The multi-purpose polymers are useful in a variety of products for personal care, health care, household care, institutional and industrial care, and industrial applications.Type: GrantFiled: May 22, 2008Date of Patent: October 25, 2011Assignee: Lubrizol Advanced Materials, Inc.Inventors: Krishnan Tamareselvy, Thomas A. Barker, James E. Mullee, Charles T. Greenslade, Julie F. Schmucker-Castner, Deborah S. Filla
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Patent number: 8025902Abstract: Provided are compositions comprising a low molecular weight, non-crosslinked, linear acrylic copolymer and at least one surfactant selected from the group consisting of anionic surfactants, amphoteric surfactants, and combinations of two or more thereof, and methods of using such compositions.Type: GrantFiled: August 18, 2010Date of Patent: September 27, 2011Assignee: Johnson & Johnson Consumer Companies, Inc.Inventors: Joseph J. Librizzi, Russel M. Walters, Michael Fevola, Krishnan Tamareselvy
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Patent number: 8021650Abstract: Dimethicone copolyol polymers are synthesized from dimethicone copolyol macromers. Polymers containing the macromer repeating units are useful in a variety of applications including personal care, textile and industrial formulations to deliver softness, lubricity, fixative, humidity resistance, water repellency, gloss, surface modification, and surfactant properties.Type: GrantFiled: February 22, 2007Date of Patent: September 20, 2011Assignee: Lubrizol Advanced Materials, Inc.Inventors: Krishnan Tamareselvy, Thomas Barker, Deborah Filla, Aroop Kumar Roy, Carol Kyer, Denise Rafferty, Joseph Zellia, Regina Klump
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Patent number: 7892525Abstract: The present invention relates to antiperspirant compositions comprising a cationic hydrophobically modified polymeric gelling agent and an acidic antiperspirant compound. The antiperspirant compositions are transparent, phase stable, non-whitening and non-staining to the skin and clothing following topical application. The present invention also is directed to methods of using the antiperspirant compositions.Type: GrantFiled: September 17, 2007Date of Patent: February 22, 2011Assignee: Lubrizol Advanced Materials, Inc.Inventors: David Faivre, Pinky G. Purohit, Krishnan Tamareselvy, Duane Gerard Krzysik, Dorina Ghirardi, Alan Joseph Suares
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Publication number: 20100311628Abstract: Provided are compositions comprising a low molecular weight, non-crosslinked, linear acrylic copolymer and at least one surfactant selected from the group consisting of anionic surfactants, amphoteric surfactants, and combinations of two or more thereof, and methods of using such compositions.Type: ApplicationFiled: August 18, 2010Publication date: December 9, 2010Inventors: Joseph J. Librizzi, Russel M. Walters, Michael Fevola, Krishnan Tamareselvy
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Patent number: 7803403Abstract: Provided are compositions comprising a low molecular weight, non-crosslinked, linear acrylic copolymer and at least one surfactant selected from the group consisting of anionic surfactants, amphoteric surfactants, and combinations of two or more thereof, and methods of using such compositions.Type: GrantFiled: November 9, 2006Date of Patent: September 28, 2010Assignee: Johnson & Johnson Consumer Companies, Inc.Inventors: Joseph J. Librizzi, Russel M. Walters, Michael Fevola, Krishnan Tamareselvy
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Patent number: 7649047Abstract: Disclosed are multi-purpose alkali-swellable and alkali soluble associative polymers, which are the polymerization product of a monomer mixture comprising: (a) at least one acidic vinyl monomer; (b) at least one nonionic vinyl monomer; (c) a first associative monomer having a first hydrophobic end group; (d) a monomer selected from the group consisting of a second associative monomer having a second hydrophobic end, a semihydrophobic monomer and a combination thereof; and, optionally, (e) one or more crosslinking monomers or chain transfer agents. When monomer (d) is an associative monomer, the first and second hydrophobic end groups of monomers (c) and (d) have significantly different hydrophobic and/or steric character from one another. The multi-purpose associative polymers surprisingly provide desirable rheological and aesthetic properties in aqueous media.Type: GrantFiled: October 22, 2007Date of Patent: January 19, 2010Assignee: Lubrizol Advanced Materials, Inc.Inventors: Krishnan Tamareselvy, Thomas A. Barker, Pravinchandra K. Shah, Kittie L. Ramey
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Publication number: 20090087400Abstract: A hair fixative composition containing a breathable polyurethane having an upright moisture vapor transmission rate (MVTR) of more than about 500 gms/m2/24 hr said polyurethane comprises: (a) poly(alkylene oxide) side-chain units in an amount comprising about 12 wt. % to about 80 wt. % of said polyurethane, wherein (i) alkylene oxide groups in said poly(alkylene oxide) side-chain units have from 2 to 10 carbon atoms and are unsubstituted, substituted, or both unsubstituted and substituted, (ii) at least about 50 wt. % of said alkylene oxide groups are ethylene oxide, and (iii) said amount of said side-chain units is (i) at least about 30 wt. % when the molecular weight of said side-chain units is less than about 600 grams/mole, (ii) at least about 15 wt. % when the molecular weight of said side-chain units is from about 600 to about 1,000 grams/mole, and at least about 12 wt.Type: ApplicationFiled: December 12, 2008Publication date: April 2, 2009Inventor: Krishnan TAMARESELVY
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Patent number: 7439214Abstract: This invention relates to cationically derivatized polycalactomannans obtained from cassia tora and cassia obtusifolia and to their use in personal care, household care, and institutional care compositions.Type: GrantFiled: August 23, 2007Date of Patent: October 21, 2008Assignee: Lubrizol Advanced Materials, Inc.Inventors: Ferdinand Utz, Carole A. Lepilleur, Krishnan Tamareselvy, Joseph A. Chiarelli, Julie F. Schmucker-Castner, Michael P. Myers, Daniel F. Hasman, Brian J. Vondruska, William R. Wilber, Hong Luo, Nancy S. Marchant, Francine Shuster
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Publication number: 20080233069Abstract: Disclosed are multi-purpose polymers that are the polymerization product of a monomer mixture comprising at least one amino-substituted vinyl monomer; at least one nonionic vinyl monomer; at least one associative vinyl monomer; at least one semihydrophobic vinyl surfactant monomer; and, optionally, comprising one or more hydroxy-substituted nonionic vinyl monomer, crosslinking monomer, chain transfer agent or polymeric stabilizer. These vinyl addition polymers have a combination of substituents, including amino substituents that provide cationic properties at low pH, hydrophobic substituents, hydrophobically modified polyoxyalkylene substituents, and hydrophilic polyoxyalkylene substituents. The polymers provide surprisingly beneficial rheological properties in acidic aqueous compositions, and are compatible with cationic materials. The multi-purpose polymers are useful in a variety of products for personal care, health care, household care, institutional and industrial care, and industrial applications.Type: ApplicationFiled: May 22, 2008Publication date: September 25, 2008Inventors: Krishnan Tamareselvy, Thomas A. Barker, James E. Mullee, Charles T. Greenslade, Julie F. Schmucker-Castner, Deborah S. Filla