Patents by Inventor Nimal Gunaratne
Nimal Gunaratne 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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Publication number: 20180087005Abstract: The present invention relates to a fragrance composition comprising ionic liquids for enhanced evaporation of the perfume raw materials. The invention also relates to methods of use of the fragrance compositions for perfuming suitable substrates, particularly skin and hair.Type: ApplicationFiled: December 13, 2017Publication date: March 29, 2018Inventors: Lynette Anne Makins Holland, Oreste Todini, David Michael Eike, Jose Maria Velazquez Mendoza, Sarah Anne Tozer, Pauline Mary McNamee, Jonathan Richard Stonehouse, William Eoghan Staite, Henry Charles Reginald Fovargue, Judith Ann Gregory, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne, Alberto Vaca Puga, Julien Estager, Feng-Ling Wu, Shane Declan Devine, Marijana Blesic, Federico Maria Ferrero Vallana
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Patent number: 9840680Abstract: The present invention relates to a fragrance composition comprising ionic liquids for enhanced evaporation of the perfume raw materials. The invention also relates to methods of use of the fragrance compositions for perfuming suitable substrates, particularly skin and hair.Type: GrantFiled: September 25, 2015Date of Patent: December 12, 2017Assignee: The Procter & Gamble CompanyInventors: Lynette Anne Makins Holland, Oreste Todini, David Michael Eike, Jose Maria Velazquez Mendoza, Sarah Anne Tozer, Pauline Mary McNamee, Jonathan Richard Stonehouse, William Eoghan Staite, Henry Charles Reginald Fovargue, Judith Ann Gregory, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne, Alberto Vaca Puga, Julien Estager, Feng-Ling Wu, Shane Declan Devine, Marijana Blesic, Federico Maria Ferrero Vallana
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Publication number: 20170121633Abstract: The present invention relates to a fragrance composition comprising ionic liquids for delayed evaporation of the perfume raw materials. The invention also relates to methods of use of the fragrance compositions for perfuming suitable substrates, particularly skin and hair.Type: ApplicationFiled: October 28, 2016Publication date: May 4, 2017Inventors: Lynette Anne Makins HOLLAND, Henry Charles Reginald FOVARGUE, Kenneth Richard SEDDON, Harambage Quintus Nimal GUNARATNE, Alberto Vaca PUGA, Federico Maria FERRERO VALLANA
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Publication number: 20160376522Abstract: The present invention relates to an ionic liquid system comprising for enhanced delivery and/or deposition of a perfume raw material onto a substrate, particularly fabric, hard surfaces, soft surfaces, skin, or hair. The invention also relates to consumer products comprising the ionic liquid systems, and processes for making and methods of using such ionic liquid systems and consumer products.Type: ApplicationFiled: June 21, 2016Publication date: December 29, 2016Inventors: Giulia Ottavia BIANCHETTI, Kenneth Richard SEDDON, Harambage Quintus Nimal GUNARATNE
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Publication number: 20160177222Abstract: The present invention relates to an ionic liquid system for enhanced delivery and/or deposition of a perfume raw material onto a substrate, particularly fabric, hard surfaces, soft surfaces, skin, or hair. The invention also relates to consumer products comprising the new ionic liquid systems, and processes for making and methods of using such ionic liquid systems and consumer products.Type: ApplicationFiled: December 10, 2015Publication date: June 23, 2016Inventors: Giulia Ottavia BIANCHETTI, Sarah Anne TOZER, Pauline Mary MCNAMEE, Lynette Anne Makins HOLLAND, Kenneth Richard SEDDON, Harambage Quintus Nimal GUNARATNE, Shane Declan DEVINE, Julien ESTAGER, Feng-Ling WU, Alberto Vaca PUGA
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Publication number: 20160151527Abstract: The present invention relates to a novel ionic liquid composition comprising a novel cation and process for making and using thereof.Type: ApplicationFiled: January 29, 2016Publication date: June 2, 2016Inventors: Lynette Anne Makins HOLLAND, Oreste TODINI, David Michael EIKE, Jose Maria VELAZQUEZ MENDOZA, Sarah Anne TOZER, Pauline Mary MCNAMEE, Henry Charles Reginald FOVARGUE, Judith Ann GREGORY, Kenneth Richard SEDDON, Harambage Quintus Nimal GUNARATNE, Alberto Vaca PUGA, Julien ESTAGER, Feng-Ling WU, Shane Declan DEVINE
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Publication number: 20160115424Abstract: The present invention relates to a fragrance composition comprising ionic liquids for enhanced evaporation of the perfume raw materials. The invention also relates to methods of use of the fragrance compositions for perfuming suitable substrates, particularly skin and hair.Type: ApplicationFiled: September 25, 2015Publication date: April 28, 2016Inventors: Lynette Anne Makins HOLLAND, Oreste TODINI, David Michael EIKE, Jose Maria VELAZQUEZ MENDOZA, Sarah Anne TOZER, Pauline Mary McNAMEE, Jonathan Richard STONEHOUSE, William Eoghan STAITE, Henry Charles Reginald FOVARGUE, Judith Ann GREGORY, Kenneth Richard SEDDON, Harambage Quintus Nimal GUNARATNE, Alberto Vaca PUGA, Julien ESTAGER, Feng-Ling WU, Shane Declan DEVINE, Marijana BLESIC, Federico Maria FERRERO VALLANA
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Patent number: 8609572Abstract: Use of ionic liquids as solvents in base-catalysed chemical reactions wherein the ionic liquid is composed of at least one species of cation and at least one species of anion, characterized in that a cation of the ionic liquid comprises a positively charge moiety and a basic moiety, and further wherein such ionic liquids may be used as promoters or catalysts for the chemical reactions.Type: GrantFiled: January 4, 2006Date of Patent: December 17, 2013Assignee: The Queen's University of BelfastInventors: Martyn J. Earl, Kenneth R. Seddon, Stewart Forsyth, Ute Frohlich, Nimal Gunaratne, Suhas Katdare
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Patent number: 8455421Abstract: This invention relates to methods for removing chewing gum and residues thereof from substrates using chewing gum modifying compositions comprising ionic liquids. In one embodiment, the chewing gum modifying composition may be used together with one or more oxidising reagents. In another embodiment, the chewing gum removal compositions further comprise one or more enzymes and one or more enzyme mediator compounds. The invention further relates to novel ionic liquid and enzyme compositions that are suitable for use in removing chewing gum residues.Type: GrantFiled: August 28, 2009Date of Patent: June 4, 2013Assignee: Expelliere Int LtdInventors: Kenneth R. Seddon, Nimal Gunaratne, Martyn J. Earle, Manuela Gilea, Gill Stephens, Ekaterina Ivanova, Lars Rehmann, Edward Green
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Patent number: 8093432Abstract: The present disclosure describes processes for the epimerization of a cyclohexene comprising the steps of providing to a reactor a first isomer of a 1-(2-alkyl-3-cyclohexen-1-yl)-alkanone compound according to Formula I wherein R1 ad R2 are each independently C1-C4 alkyl, and R3, R4, R5, R6, R7, and R8 are each independently selected from the group consisting of H and C1-C4 alkyl; and epimerizing the first isomer of the 1-(2-alkyl-3-cyclohexen-1-yl)-alkanone with a metal alkoxide base to form a second isomer of the 1-(2-alkyl-3-cyclohexen-1-yl)-alkanone.Type: GrantFiled: December 18, 2009Date of Patent: January 10, 2012Assignee: The Procter & Gamble CompanyInventors: Daniel Martin Bourgeois, Gregory Scot Miracle, Phillip John Porter, Eva Boros, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne
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Publication number: 20110319309Abstract: This invention relates to methods for removing chewing gum and residues thereof from substrates using chewing gum modifying compositions comprising ionic liquids. In one embodiment, the chewing gum modifying composition may be used together with one or more oxidising reagents. In another embodiment, the chewing gum removal compositions further comprise one or more enzymes and one or more enzyme mediator compounds. The invention further relates to novel ionic liquid and enzyme compositions that are suitable for use in removing chewing gum residues.Type: ApplicationFiled: August 28, 2009Publication date: December 29, 2011Applicant: Enviroways Technologies LimitedInventors: Kenneth R. Seddon, Nimal Gunaratne, Martyn J. Earle, Manuela Gilea, Gill Stephens, Ekaterina Ivanova, Lars Rehmann, Edward Green
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Patent number: 8067644Abstract: The present disclosure describes processes for producing cyclohexenes using Lewis acidic ionic liquids comprising the steps of providing to a reactor an ?,?-unsaturated carbonyl dienophile, providing to the reactor a 1,3-diene, providing a Lewis acidic ionic liquid to the reactor; and reacting the ?,?-unsaturated carbonyl dienophile with 1,3-diene to form a substituted cyclohexene product. The ?,?-unsaturated carbonyl dienophile can be mesityl oxide, the 1,3-diene can be piperylene; and the Lewis acidic ionic liquid can be AlCl3:[C2mim]Cl; AlCl3:[C8mim]Cl; or mixtures thereof.Type: GrantFiled: December 18, 2009Date of Patent: November 29, 2011Assignee: The Procter & Gamble CompanyInventors: Daniel Martin Bourgeois, Gregory Scot Miracle, Phillip John Porter, Eva Boros, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne
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Publication number: 20110152575Abstract: The present disclosure describes processes for the epimerization of a cyclohexene comprising the steps of providing to a reactor a first isomer of a 1-(2-alkyl-3-cyclohexen-1-yl)-alkanone compound according to Formula I wherein R1 ad R2 are each independently C1-C4 alkyl, and R3, R4, R5, R6, R7, and R8 are each independently selected from the group consisting of H and C1-C4 alkyl; and epimerizing the first isomer of the 1-(2-alkyl-3-cyclohexen-1-yl)-alkanone with a metal alkoxide base to form a second isomer of the 1-(2-alkyl-3-cyclohexen-1-yl)-alkanone.Type: ApplicationFiled: December 18, 2009Publication date: June 23, 2011Inventors: Daniel Martin Bourgeois, Gregory Scot Miracle, Phillip John Porter, Eva Boros, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne
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Publication number: 20110152566Abstract: The present disclosure describes processes for producing cyclohexenes using Lewis acidic ionic liquids comprising the steps of providing to a reactor an ?,?-unsaturated carbonyl dienophile, providing to the reactor a 1,3-diene, providing a Lewis acidic ionic liquid to the reactor; and reacting the ?,?-unsaturated carbonyl dienophile with 1,3-diene to form a substituted cyclohexene product. The ?,?-unsaturated carbonyl dienophile can be mesityl oxide, the 1,3-diene can be piperylene; and the Lewis acidic ionic liquid can be AlCl3:[C2mim]Cl; AlCl3:[C8mim]Cl; or mixtures thereof.Type: ApplicationFiled: December 18, 2009Publication date: June 23, 2011Inventors: Daniel Martin Bourgeois, Gregory Scot Miracle, Phillip John Porter, Eva Boros, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne
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Patent number: 7928053Abstract: A multiphase cleaning composition comprises a first phase and a second ionic liquid phase, wherein the second phase is substantially immiscible with the first phase. The first phase may comprise, for example, an aqueous phase or a silicone solvent system. Methods of cleaning a soiled surface comprise contacting a soiled surface with a multiphase wash liquor including a first phase and a second ionic liquid phase, wherein the second phase is substantially immiscible with the first phase, and removing soils from the surface.Type: GrantFiled: May 26, 2009Date of Patent: April 19, 2011Assignee: The Procter & Gamble CompanyInventors: Stacie Ellen Hecht, Kenneth Nathan Price, Patricia Sara Berger, Peter Robert Foley, Howard David Hutton, III, Michael Stanford Showell, Robb Richard Gardner, Raymond Louis Niehoff, Kenneth Richard Seddon, Harambage Quintas Nimal Gunaratne, Martyn Earle
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Patent number: 7786064Abstract: A novel class of ionic liquids and methods for their preparation are disclosed. Specifically, these novel ionic liquids can be derived from anionic surfactants, such as alkyl aryl sulfonates, and mid-chain branched derivatives of alkyl sulfates, alkyl alkoxy sulfates, and alkyl aryl sulfonates. In addition, novel ionic liquids can be derived from other anionic surfactants, such as methyl ester sulfonates (MES), alkyl glycerol ether sulfonates, and alpha olefin sulfonates. Anions may be paired with a variety of cations to achieve various advantageous properties. The present invention also relates to compositions containing these novel ionic liquids and method of using the same.Type: GrantFiled: April 30, 2010Date of Patent: August 31, 2010Assignee: The Procter & Gamble CompanyInventors: Stacie Ellen Hecht, Scott Leroy Cron, Jeffrey John Scheibel, Gregory Scot Miracle, Kenneth Richard Seddon, Martyn Earle, Harambage Quintus Nimal Gunaratne
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Publication number: 20100209991Abstract: A novel class of ionic liquids and methods for their preparation are disclosed. Specifically, these novel ionic liquids can be derived from anionic surfactants, such as alkyl aryl sulfonates, and mid-chain branched derivatives of alkyl sulfates, alkyl alkoxy sulfates, and alkyl aryl sulfonates. In addition, novel ionic liquids can be derived from other anionic surfactants, such as methyl ester sulfonates (MES), alkyl glycerol ether sulfonates, and alpha olefin sulfonates. Anions may be paired with a variety of cations to achieve various advantageous properties. The present invention also relates to compositions containing these novel ionic liquids and method of using the same.Type: ApplicationFiled: April 30, 2010Publication date: August 19, 2010Inventors: Stacie Ellen Hecht, Scott Leroy Cron, Jeffrey John Scheibel, Gregory Scot Miracle, Kenneth Richard Seddon, Martyn Earle, Harambage Quintus Nimal Gunaratne
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Patent number: 7776810Abstract: Compositions comprising an ionic liquid active composed of an ion active and an ionic liquid-forming counter ion, wherein the ion active is capable of delivering a fabric treating benefit, a surface treating benefit, and/or an air treating benefit. The compositions are substantially free of added water and have a viscosity less than about 5000 mPa·s at room temperature. The compositions are easily diluted with water and/or organic solvent, without formation a gel phase during the dilution process. Various products, especially a unit dose product, made with such compositions are also disclosed.Type: GrantFiled: October 31, 2005Date of Patent: August 17, 2010Assignee: The Procter & Gamble CompanyInventors: Glenn Thomas Jordan, IV, Stacie Ellen Hecht, Kenneth Nathan Price, Patricia Sara Berger, Yousef Georges Aouad, Jean Wevers, Dennis Allen Beckholt, Frank William Denome, Kevin George Goodall, Jose Luis Vega, Michael Stanford Showell, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne
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Patent number: 7737102Abstract: A novel class of ionic liquids and methods for their preparation are disclosed. Specifically, these novel ionic liquids can be derived from anionic surfactants, such as alkyl aryl sulfonates, and mid-chain branched derivatives of alkyl sulfates, alkyl alkoxy sulfates, and alkyl aryl sulfonates. In addition, novel ionic liquids can be derived from other anionic surfactants, such as methyl ester sulfonates (MES), alkyl glycerol ether sulfonates, and alpha olefin sulfonates. Anions may be paired with a variety of cations to achieve various advantageous properties. The present invention also relates to compositions containing these novel ionic liquids and method of using the same.Type: GrantFiled: October 31, 2005Date of Patent: June 15, 2010Assignee: The Procter & Gamble CompanyInventors: Stacie Ellen Hecht, Scott Leroy Cron, Jeffrey John Scheibel, Gregory Scot Miracle, Kenneth Richard Seddon, Martyn Earle, Harambage Quintus Nimal Gunaratne
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Publication number: 20090270248Abstract: Use of ionic liquids as solvents in base-catalysed chemical reactions wherein the ionic liquid is composed of at least one species of cation and at least one species of anion, characterised in that a cation of the ionic liquid comprises a positively charge moiety and a basic moiety, and further wherein such ionic liquids may be used as promoters or catalysts for the chemical reactions.Type: ApplicationFiled: January 4, 2006Publication date: October 29, 2009Applicant: The Queen's University of BelfastInventors: Martyn John Earl, Kenneth Richard Seddon, Stewart Forsyth, Ute Frohlich, Nimal Gunaratne, Suhas Katdare