Patents by Inventor Kenneth R. Seddon
Kenneth R. Seddon 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: 10138432Abstract: Mercury is removed from a mercury-containing hydrocarbon fluid feed by utilizing ionic liquids. The mercury-containing hydrocarbon fluid feed is contacted with a metallate salt immobilized on a solid support material. A hydrocarbon fluid product having a reduced mercury content compared to the mercury-containing fluid feed is separated from the ionic liquid.Type: GrantFiled: August 18, 2016Date of Patent: November 27, 2018Assignee: THE QUEEN'S UNIVERSITY OF BELFASTInventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Kenneth R. Seddon, Geetha Srinivasan, Yiran Zou
-
Publication number: 20170037323Abstract: Mercury is removed from a mercury-containing hydrocarbon fluid feed by utilizing ionic liquids. The mercury-containing hydrocarbon fluid feed is contacted with a metallate salt immobilized on a solid support material. A hydrocarbon fluid product having a reduced mercury content compared to the mercury-containing fluid feed is separated from the ionic liquid.Type: ApplicationFiled: August 18, 2016Publication date: February 9, 2017Inventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Kenneth R. Seddon, Geetha Srinivasan, Yiran Zou
-
Patent number: 9278134Abstract: Disclosed herein are ionic liquid compositions comprising active pharmaceutical, biological, and nutritional compounds, and methods of use. Further disclosed are compositions of matter including liquid ion pairs alone or in solution and their use; compositions of ionic liquids that are ‘solvated,’ for example, ‘hydrated’ and their uses.Type: GrantFiled: December 29, 2009Date of Patent: March 8, 2016Assignees: The Board of Trustees of the University of Alabama, Monash University, Queen's University BelfastInventors: Robin D. Rogers, Daniel T. Daly, Douglas MacFarlane, Janet L. Scott, Kenneth R. Seddon, Gabriela Gurau, Katharina Bica, Jelena Turanjanin, Pamela M. Dean
-
Patent number: 8734744Abstract: Aspects of the disclosure relate to the separation of gases and to a process for the removal of carbon dioxide gas using liquid absorbents. A process is disclosed for removing carbon dioxide from a gaseous stream comprising contacting the gaseous stream with a carbon dioxide absorbent comprising a mixture of an ionic liquid and water in a molar ratio of from 10:1 to 1:10, wherein the ionic liquid has the formula: [Cat+][X?].Type: GrantFiled: September 14, 2012Date of Patent: May 27, 2014Assignee: Petroliam Nasional BerhadInventors: David F. Wassell, Kenneth R. Seddon, Martin P. Atkins
-
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
-
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
-
Publication number: 20130071309Abstract: Aspects of the disclosure relate to the separation of gases and to a process for the removal of carbon dioxide gas using liquid absorbents.Type: ApplicationFiled: September 14, 2012Publication date: March 21, 2013Applicant: PETROLIAM NASIONAL BERHADInventors: David F. Wassell, Kenneth R. Seddon, Martin P. Atkins
-
Publication number: 20120046244Abstract: Disclosed herein are ionic liquid compositions comprising active pharmaceutical, biological, and nutritional compounds, and methods of use. Further disclosed are compositions of matter including liquid ion pairs alone or in solution and their use; compositions of ionic liquids that are ‘solvated,’ for example, ‘hydrated’ and their uses.Type: ApplicationFiled: December 29, 2009Publication date: February 23, 2012Applicants: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ALABAMA, QUEEN'S UNIVERSITY BELFAST, MONASH UNIVERSITYInventors: Robin D. Rogers, Daniel T. Daly, Douglas MacFarlane, Janet L. Scott, Kenneth R. Seddon, Gabriela Gurau, Katharina Bica, Jelena Turanjanin, Pamela M. Dean
-
Patent number: 8088917Abstract: The invention relates to an ionic liquid composition and a method for preparing the ionic liquid. The ionic liquid comprises a cation containing the Formula I, as herein disclosed, and wherein: n is 2, R1 is selected from the group consisting of: H, C1-C12 alkyl, aryl or together with R2 may form a heterocyclic ring, and R2 is selected from the group consisting of: H, C1-C12 alkyl, aryl or together with R1 may form a heterocyclic ring, and R3 is selected from the group consisting of hydrogen and C1-C12 alkyl, and wherein R1 and R2 are not simultaneously selected from hydrogen.Type: GrantFiled: May 29, 2008Date of Patent: January 3, 2012Assignee: Invista North America S.A R.L.Inventors: Stewart Forsyth, Kenneth R. Seddon, Keith Whiston, Sudhir Aki
-
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
-
Patent number: 7972492Abstract: Disclosed is a process for the electrochemical transformation of a compound to form a product, the process comprising (i) effecting the transformation in the presence of an electrolyte comprising at least one room temperature ionic liquid, wherein the ionic liquid is air-stable and moisture-stable, (ii) recovering the product, and optionally (iii) recovering the ionic liquid. The process can be used to effect the electrochemical transformation of a wide range of organic compounds.Type: GrantFiled: July 8, 2002Date of Patent: July 5, 2011Assignee: The Queen's University of BelfastInventors: William R. Pitner, Kenneth R. Seddon, Kenneth M. Stack, Alan Curzons, Richard Freer
-
Patent number: 7772293Abstract: An improved process for the hydrolysis of nylon polymer is herein disclosed using ionic liquids and optionally one equivalent of sulfuric acid per amide residue of the polymer. The process provides for a simplified means for separation of the hydrolyzed polyamide constituent monomers.Type: GrantFiled: July 30, 2008Date of Patent: August 10, 2010Assignee: Invista North America S.A.R.L.Inventors: Keith Whiston, Stewart Forsyth, Kenneth R. Seddon
-
Publication number: 20090235574Abstract: Use of ionic liquids in the production of bio-diesel, wherein the ionic liquid is both a solvent and catalyst, and is stable under reaction conditions.Type: ApplicationFiled: February 27, 2006Publication date: September 24, 2009Inventors: Martyn J. Earle, Kenneth R. Seddon, Natalia V. Plechkova
-
Publication number: 20090036602Abstract: An improved process for the hydrolysis of nylon polymer is herein disclosed using ionic liquids and optionally one equivalent of sulfuric acid per amide residue of the polymer. The process provides for a simplified means for separation of the hydrolyzed polyamide constituent monomers.Type: ApplicationFiled: July 30, 2008Publication date: February 5, 2009Applicant: INVISTA NORTH AMERICA S.A R.L.Inventors: KEITH WHISTON, STEWART FORSYTH, KENNETH R. SEDDON
-
Publication number: 20080296531Abstract: The invention relates to an ionic liquid composition and a method for preparing the ionic liquid. The ionic liquid comprises a cation containing the Formula I, as herein disclosed, and wherein: n is 1 or 2, R1 is selected from the group consisting of: H, C1-C12 alkyl, aryl or together with R2 may form a heterocyclic ring, and R2 is selected from the group consisting of: H, C1-C12 alkyl, aryl or together with R1 may form a heterocyclic ring, and R3 is selected from the group consisting of hydrogen and C1-C12 alkyl, wherein if n is 1, then R3 is C1-C12 alkyl; and wherein R1 and R2 are not simultaneously selected from hydrogen. The method for the preparation of the ionic liquid composition provided herein starts with at least one N-substitution of the compound of Formula II, as herein disclosed, and wherein: n is 1 or 2, R3 is selected from the group consisting of hydrogen and C1-C12 alkyl, wherein if n is 1, then R3 is C1-C12 alkyl.Type: ApplicationFiled: May 29, 2008Publication date: December 4, 2008Applicant: INVISTA NORTH AMERICA S.A R.L.Inventors: Keith Whiston, STEWART FORSYTH, Kenneth R. Seddon
-
Patent number: 6774240Abstract: A process for preparing an ionic liquid or salt, formed by reaction between an organic base and an alkylating agent, wherein the alkylating agent is a fluorinated ester or an alkyl sulfonate, is described. Suitable organic bases include imidazoles, substituted imidazoles, pyridines and substituted pyridines. The so-formed products can be subsequently transformed into different ionic liquids or salts by metathesis.Type: GrantFiled: September 9, 2002Date of Patent: August 10, 2004Assignee: The Queen's University of BelfastInventors: Kenneth R. Seddon, Adrian J Carmichael, Martyn J. Earle
-
Publication number: 20030080312Abstract: A process for preparing an ionic liquid or salt, preferably in which the cation comprises an N-alkylated base and the anion is a carboxylate, formed by reaction between an organic base and an alkylating agent, wherein the alkylating agent is a fluorinated ester or an alkyl sulfonate, is described. Suitable organic bases include imizadoles, substituted imidazoles, pyridines and substituted pyridines. The so-formed products can be subsequently transformed into different ionic liquids or salts by metathesis.Type: ApplicationFiled: September 9, 2002Publication date: May 1, 2003Inventors: Kenneth R. Seddon, Adrian J Carmichael, Martyn J. Earle
-
Patent number: 5352388Abstract: A non-linear optical device comprises a crystalline, second harmonic generator material mounted in the optical path of a laser, in which the crystalline material consists of a slat of a chiral carboxylic acid and an organic nitrogenous base which has a noncentrosymmetric crystal structure.Type: GrantFiled: December 17, 1992Date of Patent: October 4, 1994Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdon of Great Britain and Northern IrelandInventors: Kenneth R. Seddon, Christer B. Aakeroy, Nicholas Blagden, Yasmin Patell