Patents by Inventor Adam John Walker

Adam John Walker 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).

  • Liquids
    Patent number: 9328220
    Abstract: The present invention relates to an ionic liquid comprising an anion and a cation, wherein the cation is a primary, secondary or tertiary ammonium ion containing a protonated nitrogen atom.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: May 3, 2016
    Assignee: Innovia Films Limited
    Inventor: Adam John Walker
  • Liquids
    Patent number: 8992798
    Abstract: The present invention relates to an ionic liquid comprising an anion and a cation, wherein the cation is a primary, secondary or tertiary ammonium ion containing a protonated nitrogen atom.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: March 31, 2015
    Assignee: Innovia Films Limited
    Inventor: Adam John Walker
  • Liquids
    Patent number: 8784686
    Abstract: The present invention relates to ionic liquid comprising an anion and a cation wherein the cation is a primary, secondary or tertiary ammonium ion containing a protonated nitrogen atom.
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: July 22, 2014
    Assignee: Innovia Films Limited
    Inventor: Adam John Walker
  • LIQUIDS
    Publication number: 20140187684
    Abstract: The present invention relates to an ionic liquid comprising an anion and a cation, wherein the cation is a primary, secondary or tertiary ammonium ion containing a protonated nitrogen atom.
    Type: Application
    Filed: February 27, 2014
    Publication date: July 3, 2014
    Applicant: INNOVIA FILMS LIMITED
    Inventor: Adam John Walker
  • LIQUIDS
    Publication number: 20110257433
    Abstract: The present invention relates to an ionic liquid comprising an anion and a cation, wherein the cation is a primary, secondary or tertiary ammonium ion containing a protonated nitrogen atom.
    Type: Application
    Filed: June 28, 2011
    Publication date: October 20, 2011
    Applicant: THE UNIVERSITY OF YORK
    Inventor: Adam John Walker
  • Ionic Liquids
    Publication number: 20080221361
    Abstract: The invention provides ionic liquids and processes for their preparation. The liquids may either comprise a cation of the formula (I); N+HR1R2R3 (I) wherein R1 is a group —R4—O—R5; R2 and R3 are each independently either hydrogen or hydrocarbyl, R2 and R3 may be joined together with the N to form a heterocyclic group; R4 is a divalent hydrocarbyl radical; and R5 is hydrocarbyl; or a cation of the formula (II), N+HR6R7R8 (II) wherein R6 is an alkanolyl group; R7 is a hydrocarbyl group; and R8 is either hydrogen or hydrocarbyl, or R7 and R8 may be joined together with the N to form a heterocyclic group.
    Type: Application
    Filed: September 28, 2006
    Publication date: September 11, 2008
    Applicant: BIONIQS LIMITED
    Inventor: Adam John Walker
  • Use of Ionic Liquids
    Publication number: 20080191170
    Abstract: This invention relates to the use of ionic liquids. Generally, the ionic liquids are modified during their use so as to change their properties in a manner relevant for that use.
    Type: Application
    Filed: October 6, 2005
    Publication date: August 14, 2008
    Applicant: CAMBRIDGE UNIVERSITY TECHNICAL SERVICES LIMITED
    Inventors: Adam John Walker, Erik Richard Gimpel, Susan Jane Rosser