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).

  • Publication number: 20180087005
    Abstract: 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: Application
    Filed: December 13, 2017
    Publication date: March 29, 2018
    Inventors: 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
  • Patent number: 9840680
    Abstract: 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: Grant
    Filed: September 25, 2015
    Date of Patent: December 12, 2017
    Assignee: The Procter & Gamble Company
    Inventors: 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
  • Publication number: 20170121633
    Abstract: 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: Application
    Filed: October 28, 2016
    Publication date: May 4, 2017
    Inventors: Lynette Anne Makins HOLLAND, Henry Charles Reginald FOVARGUE, Kenneth Richard SEDDON, Harambage Quintus Nimal GUNARATNE, Alberto Vaca PUGA, Federico Maria FERRERO VALLANA
  • Publication number: 20160376522
    Abstract: 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: Application
    Filed: June 21, 2016
    Publication date: December 29, 2016
    Inventors: Giulia Ottavia BIANCHETTI, Kenneth Richard SEDDON, Harambage Quintus Nimal GUNARATNE
  • Publication number: 20160177222
    Abstract: 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: Application
    Filed: December 10, 2015
    Publication date: June 23, 2016
    Inventors: 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
  • Publication number: 20160151527
    Abstract: The present invention relates to a novel ionic liquid composition comprising a novel cation and process for making and using thereof.
    Type: Application
    Filed: January 29, 2016
    Publication date: June 2, 2016
    Inventors: 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
  • Publication number: 20160115424
    Abstract: 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: Application
    Filed: September 25, 2015
    Publication date: April 28, 2016
    Inventors: 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
  • Patent number: 8609572
    Abstract: 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: Grant
    Filed: January 4, 2006
    Date of Patent: December 17, 2013
    Assignee: The Queen's University of Belfast
    Inventors: Martyn J. Earl, Kenneth R. Seddon, Stewart Forsyth, Ute Frohlich, Nimal Gunaratne, Suhas Katdare
  • Patent number: 8455421
    Abstract: 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: Grant
    Filed: August 28, 2009
    Date of Patent: June 4, 2013
    Assignee: Expelliere Int Ltd
    Inventors: Kenneth R. Seddon, Nimal Gunaratne, Martyn J. Earle, Manuela Gilea, Gill Stephens, Ekaterina Ivanova, Lars Rehmann, Edward Green
  • Patent number: 8093432
    Abstract: 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: Grant
    Filed: December 18, 2009
    Date of Patent: January 10, 2012
    Assignee: The Procter & Gamble Company
    Inventors: Daniel Martin Bourgeois, Gregory Scot Miracle, Phillip John Porter, Eva Boros, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne
  • Publication number: 20110319309
    Abstract: 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: Application
    Filed: August 28, 2009
    Publication date: December 29, 2011
    Applicant: Enviroways Technologies Limited
    Inventors: Kenneth R. Seddon, Nimal Gunaratne, Martyn J. Earle, Manuela Gilea, Gill Stephens, Ekaterina Ivanova, Lars Rehmann, Edward Green
  • Patent number: 8067644
    Abstract: 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: Grant
    Filed: December 18, 2009
    Date of Patent: November 29, 2011
    Assignee: The Procter & Gamble Company
    Inventors: Daniel Martin Bourgeois, Gregory Scot Miracle, Phillip John Porter, Eva Boros, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne
  • Publication number: 20110152575
    Abstract: 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: Application
    Filed: December 18, 2009
    Publication date: June 23, 2011
    Inventors: Daniel Martin Bourgeois, Gregory Scot Miracle, Phillip John Porter, Eva Boros, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne
  • Publication number: 20110152566
    Abstract: 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: Application
    Filed: December 18, 2009
    Publication date: June 23, 2011
    Inventors: Daniel Martin Bourgeois, Gregory Scot Miracle, Phillip John Porter, Eva Boros, Kenneth Richard Seddon, Harambage Quintus Nimal Gunaratne
  • Patent number: 7928053
    Abstract: 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: Grant
    Filed: May 26, 2009
    Date of Patent: April 19, 2011
    Assignee: The Procter & Gamble Company
    Inventors: 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
  • Patent number: 7786064
    Abstract: 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: Grant
    Filed: April 30, 2010
    Date of Patent: August 31, 2010
    Assignee: The Procter & Gamble Company
    Inventors: Stacie Ellen Hecht, Scott Leroy Cron, Jeffrey John Scheibel, Gregory Scot Miracle, Kenneth Richard Seddon, Martyn Earle, Harambage Quintus Nimal Gunaratne
  • Publication number: 20100209991
    Abstract: 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: Application
    Filed: April 30, 2010
    Publication date: August 19, 2010
    Inventors: Stacie Ellen Hecht, Scott Leroy Cron, Jeffrey John Scheibel, Gregory Scot Miracle, Kenneth Richard Seddon, Martyn Earle, Harambage Quintus Nimal Gunaratne
  • Patent number: 7776810
    Abstract: 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: Grant
    Filed: October 31, 2005
    Date of Patent: August 17, 2010
    Assignee: The Procter & Gamble Company
    Inventors: 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
  • Patent number: 7737102
    Abstract: 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: Grant
    Filed: October 31, 2005
    Date of Patent: June 15, 2010
    Assignee: The Procter & Gamble Company
    Inventors: Stacie Ellen Hecht, Scott Leroy Cron, Jeffrey John Scheibel, Gregory Scot Miracle, Kenneth Richard Seddon, Martyn Earle, Harambage Quintus Nimal Gunaratne
  • Publication number: 20090270248
    Abstract: 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: Application
    Filed: January 4, 2006
    Publication date: October 29, 2009
    Applicant: The Queen's University of Belfast
    Inventors: Martyn John Earl, Kenneth Richard Seddon, Stewart Forsyth, Ute Frohlich, Nimal Gunaratne, Suhas Katdare