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: 10138432
    Abstract: 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: Grant
    Filed: August 18, 2016
    Date of Patent: November 27, 2018
    Assignee: THE QUEEN'S UNIVERSITY OF BELFAST
    Inventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Kenneth R. Seddon, Geetha Srinivasan, Yiran Zou
  • Publication number: 20170037323
    Abstract: 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: Application
    Filed: August 18, 2016
    Publication date: February 9, 2017
    Inventors: Mahpuzah Abai, Martin P. Atkins, Kuah Y. Cheun, John Holbrey, Peter Nockemann, Kenneth R. Seddon, Geetha Srinivasan, Yiran Zou
  • Patent number: 9278134
    Abstract: 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: Grant
    Filed: December 29, 2009
    Date of Patent: March 8, 2016
    Assignees: The Board of Trustees of the University of Alabama, Monash University, Queen's University Belfast
    Inventors: 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: 8734744
    Abstract: 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: Grant
    Filed: September 14, 2012
    Date of Patent: May 27, 2014
    Assignee: Petroliam Nasional Berhad
    Inventors: David F. Wassell, Kenneth R. Seddon, Martin P. Atkins
  • 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
  • Publication number: 20130071309
    Abstract: 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: Application
    Filed: September 14, 2012
    Publication date: March 21, 2013
    Applicant: PETROLIAM NASIONAL BERHAD
    Inventors: David F. Wassell, Kenneth R. Seddon, Martin P. Atkins
  • Publication number: 20120046244
    Abstract: 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: Application
    Filed: December 29, 2009
    Publication date: February 23, 2012
    Applicants: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ALABAMA, QUEEN'S UNIVERSITY BELFAST, MONASH UNIVERSITY
    Inventors: 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: 8088917
    Abstract: 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: Grant
    Filed: May 29, 2008
    Date of Patent: January 3, 2012
    Assignee: Invista North America S.A R.L.
    Inventors: Stewart Forsyth, Kenneth R. Seddon, Keith Whiston, Sudhir Aki
  • 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: 7972492
    Abstract: 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: Grant
    Filed: July 8, 2002
    Date of Patent: July 5, 2011
    Assignee: The Queen's University of Belfast
    Inventors: William R. Pitner, Kenneth R. Seddon, Kenneth M. Stack, Alan Curzons, Richard Freer
  • Patent number: 7772293
    Abstract: 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: Grant
    Filed: July 30, 2008
    Date of Patent: August 10, 2010
    Assignee: Invista North America S.A.R.L.
    Inventors: Keith Whiston, Stewart Forsyth, Kenneth R. Seddon
  • Publication number: 20090235574
    Abstract: 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: Application
    Filed: February 27, 2006
    Publication date: September 24, 2009
    Inventors: Martyn J. Earle, Kenneth R. Seddon, Natalia V. Plechkova
  • Publication number: 20090036602
    Abstract: 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: Application
    Filed: July 30, 2008
    Publication date: February 5, 2009
    Applicant: INVISTA NORTH AMERICA S.A R.L.
    Inventors: KEITH WHISTON, STEWART FORSYTH, KENNETH R. SEDDON
  • Publication number: 20080296531
    Abstract: 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: Application
    Filed: May 29, 2008
    Publication date: December 4, 2008
    Applicant: INVISTA NORTH AMERICA S.A R.L.
    Inventors: Keith Whiston, STEWART FORSYTH, Kenneth R. Seddon
  • Patent number: 6774240
    Abstract: 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: Grant
    Filed: September 9, 2002
    Date of Patent: August 10, 2004
    Assignee: The Queen's University of Belfast
    Inventors: Kenneth R. Seddon, Adrian J Carmichael, Martyn J. Earle
  • Publication number: 20030080312
    Abstract: 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: Application
    Filed: September 9, 2002
    Publication date: May 1, 2003
    Inventors: Kenneth R. Seddon, Adrian J Carmichael, Martyn J. Earle
  • Patent number: 5352388
    Abstract: 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: Grant
    Filed: December 17, 1992
    Date of Patent: October 4, 1994
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdon of Great Britain and Northern Ireland
    Inventors: Kenneth R. Seddon, Christer B. Aakeroy, Nicholas Blagden, Yasmin Patell