Patents by Inventor Claire Topping

Claire Topping 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).

  • COLOURED OR BLACK PARTICLES
    Publication number: 20220291566
    Abstract: This invention relates to a process for the preparation of a dispersion comprising coloured or black particles, such coloured or black particles prepared by the process, the use of the dispersion and the coloured or black particles in electrophoretic fluids, and electrophoretic display devices comprising such fluids.
    Type: Application
    Filed: June 3, 2022
    Publication date: September 15, 2022
    Applicants: E INK CORPORATION, THE QUEEN'S UNIVERSITY OF BELFAST
    Inventors: Louise D. FARRAND, Claire TOPPING, Sarah NORMAN
  • Particles for electrophoretic displays
    Patent number: 10428220
    Abstract: This invention relates to polymer particles, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, and electrophoretic displays comprising such particles.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: October 1, 2019
    Assignee: Merck Patent GmbH
    Inventors: Louise Diane Farrand, Claire Topping, Mark John Goulding
  • Particles for electrophoretic displays
    Patent number: 10308744
    Abstract: This invention relates to polymer particles, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: June 4, 2019
    Assignees: Merck Patent GmbH, The Queen's University of Belfast
    Inventors: Louise D. Farrand, Nils Greinert, Jonathan H. Wilson, Thomas Bauer, Claire Topping, Sarah Norman
  • Particles for electrophoretic displays
    Patent number: 10106686
    Abstract: This invention relates to particles comprising a pigment core particle encapsulated by a polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: October 23, 2018
    Assignees: Merck Patent GmbH, The Queen's University of Belfast
    Inventors: Louise D. Farrand, Claire Topping, Sarah Norman
  • Particles for electrophoretic displays
    Patent number: 9908963
    Abstract: This invention relates to polymer particles, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, electrophoretic displays comprising such particle, and new copolymer stabilizers.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: March 6, 2018
    Assignee: Mereck Patent GmbH
    Inventors: Louise D. Farrand, Claire Topping, Kate Belsey, Simon Holder
  • PARTICLES FOR ELECTROPHORETIC DISPLAYS
    Publication number: 20180037743
    Abstract: This invention relates to polymer particles, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, and electrophoretic displays comprising such particles.
    Type: Application
    Filed: November 23, 2015
    Publication date: February 8, 2018
    Inventors: LOUISE DIANE FARRAND, Claire TOPPING, Mark John GOULDING
  • Colored polymer particles for electrophoretic displays
    Patent number: 9868803
    Abstract: This invention relates to colored polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: January 16, 2018
    Assignee: Merck Patent GmbH
    Inventors: Louise Diane Farrand, Nils Greinert, Claire Topping, Jonathan Henry Wilson, Simon Biggs, Olivier Cayre, Simon Lawson, Alexandre Richez, Simone Stuart-Cole
  • COLOURED OR BLACK PARTICLES
    Publication number: 20170315416
    Abstract: This invention relates to a process for the preparation of a dispersion comprising coloured or black particles, such coloured or black particles prepared by the process, the use of the dispersion and the coloured or black particles in electrophoretic fluids, and electrophoretic display devices comprising such fluids.
    Type: Application
    Filed: November 18, 2014
    Publication date: November 2, 2017
    Inventors: Louise D. Farrand, Claire Topping, Sarah Norman
  • Particles for electrophoretic displays
    Patent number: 9494808
    Abstract: This invention relates to particles comprising a pigment core particle encapsulated by a polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: November 15, 2016
    Assignee: Merck Patent GmbH
    Inventors: Louise Diane Farrand, Emily Jane Thomas, Claire Topping, Jonathan Henry Wilson
  • Particles for electrophoretic displays
    Patent number: 9487611
    Abstract: This invention relates to colored polymer particles preferably with surface functionality for charge retention, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, color electrophoretic displays comprising such particle, and new polymerisable dyes.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: November 8, 2016
    Assignee: Merck Patent GmbH
    Inventors: Louise Diane Farrand, Mark James, Emily Jane Thomas, Claire Topping, Jonathan Henry Wilson
  • PARTICLES FOR ELECTROPHORETIC DISPLAYS
    Publication number: 20160177103
    Abstract: This invention relates to particles comprising a pigment core particle encapsulated by a polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.
    Type: Application
    Filed: May 15, 2014
    Publication date: June 23, 2016
    Inventors: Louise D. FARRAND, Claire TOPPING, Sarah NORMAN
  • PARTICLES FOR ELECTROPHORETIC DISPLAYS
    Publication number: 20160137767
    Abstract: This invention relates to polymer particles, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.
    Type: Application
    Filed: May 20, 2014
    Publication date: May 19, 2016
    Applicants: MERCK PATENT GMBH, THE QUEEN'S UNIVERSITY OF BELFAST
    Inventors: Louise D. FARRAND, Nils GREINERT, Jonathan H. WILSON, Thomas BAUER, Claire TOPPING, Sarah NORMAN
  • PARTICLES FOR ELECTROPHORETIC DISPLAYS
    Publication number: 20160060379
    Abstract: This invention relates to polymer particles, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, electrophoretic displays comprising such particle, and new copolymer stabilisers.
    Type: Application
    Filed: March 18, 2014
    Publication date: March 3, 2016
    Inventors: Louise D. FARRAND, Claire TOPPING, Kate BELSEY, Simon HOLDER
  • Particles for electrophoretic displays
    Patent number: 9152006
    Abstract: This invention relates to polymer particles, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, electrophoretic displays comprising such particle, and new polymerisable dyes.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: October 6, 2015
    Assignee: Merck Patent GmbH
    Inventors: Louise Diane Farrand, Claire Topping, Anthony Lawrence
  • PARTICLES FOR ELECTROPHORETIC DISPLAYS
    Publication number: 20150129817
    Abstract: This invention relates to particles comprising a pigment core particle encapsulated by a polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.
    Type: Application
    Filed: May 7, 2013
    Publication date: May 14, 2015
    Inventors: Louise Diane Farrand, Emily Jane Thomas, Claire Topping, Jonathan Henry Wilson
  • PARTICLES FOR ELECTROPHORETIC DISPLAYS
    Publication number: 20150099119
    Abstract: This invention relates to coloured polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.
    Type: Application
    Filed: May 7, 2013
    Publication date: April 9, 2015
    Inventors: Louise Diane Farrand, Nils Greinert, Claire Topping, Jonathan Henry Wilson, Simon Biggs, Olivier Cayre, Simon Lawson, Alexandre Richez, Simone Stuart-Cole
  • PARTICLES FOR ELECTROWETTING DISPLAYS
    Publication number: 20150065644
    Abstract: This invention relates to polymer particles for use in electrowetting fluids and electrowetting displays devices comprising such particles.
    Type: Application
    Filed: February 25, 2013
    Publication date: March 5, 2015
    Applicant: Merck Patent GmbH
    Inventors: Louise D. Farrand, Nathan Smith, Roshan Kumar, Claire Topping
  • PARTICLES FOR ELECTROPHORETIC DISPLAYS
    Publication number: 20140320951
    Abstract: This invention relates to polymer particles, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, electrophoretic displays comprising such particle, and new polymerisable dyes.
    Type: Application
    Filed: November 2, 2012
    Publication date: October 30, 2014
    Inventors: Louise Diane Farrand, Claire Topping, Anthony Lawrence
  • Polymer comprising cyclohexylene groups and its use in films with negative optical dispersion
    Patent number: 8802813
    Abstract: The invention relates to novel polymers comprising cyclohexylene groups which are especially suitable for use in birefringent films with negative optical dispersion, to novel formulations and polymer films comprising them, and to the use of the polymers, formulations and films in optical, electrooptical, electronic, semiconducting or luminescent components or devices.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: August 12, 2014
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Kevin Adlem, Owain Llyr Parri, David Wilkes, Claire Topping
  • PARTICLES FOR ELECTROPHORETIC DISPLAYS
    Publication number: 20130208344
    Abstract: This invention relates to coloured polymer particles preferably with surface functionality for charge retention, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, colour electrophoretic displays comprising such particle, and new polymerisable dyes.
    Type: Application
    Filed: July 26, 2011
    Publication date: August 15, 2013
    Applicant: Merck Patent GmbH
    Inventors: Louise Diane Farrand, Mark James, Emily Jane Thomas, Claire Topping, Jonathan Henry Wilson