Patents by Inventor Louise D Farrand

Louise D Farrand 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: 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
  • Black polymer particles
    Patent number: 9822232
    Abstract: This invention relates to a process for the preparation of a dispersion comprising black polymer particles, such black polymer particles prepared by the process, the use of the dispersion and the black polymer particles in electrophoretic fluids, and electrophoretic display devices comprising such fluids.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: November 21, 2017
    Assignees: Merck Patent GmbH, The Queen's University of Belfast
    Inventors: Louise D. Farrand, Sarah Norman
  • 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
  • BLACK POLYMER PARTICLES
    Publication number: 20160297945
    Abstract: This invention relates to a process for the preparation of a dispersion comprising black polymer particles, such black polymer particles prepared by the process, the use of the dispersion and the black polymer particles in electrophoretic fluids, and electrophoretic display devices comprising such fluids.
    Type: Application
    Filed: November 18, 2014
    Publication date: October 13, 2016
    Inventors: Louise D. FARRAND, Sarah NORMAN
  • 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
  • ELECTROWETTING FLUIDS
    Publication number: 20150355456
    Abstract: This invention relates to electrowetting fluids, the use of these fluids for the preparation of an electrowetting displays devices, and electrowetting display devices comprising such fluids.
    Type: Application
    Filed: December 16, 2013
    Publication date: December 10, 2015
    Applicant: MERCK PATENT GMBH
    Inventors: LOUISE D. FARRAND, Nathan SMITH, Andrew CORBETT, Anthony LAWRENCE
  • 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
  • Chiral dopants
    Patent number: 6217792
    Abstract: The invention relates to chiral dopants of the formula (I): R1—X1—MG1—G—MG2—X2—R2. The invention also relates to liquid crystalline materials comprising at least one chiral dopant of formula (I) and optionally at least one polymerizable mesogenic compound. The invention furthermore relates to the use of such liquid crystalline materials for the preparation of polymer films with a chiral liquid crystalline phase, for active and passive optical elements or color filters and for liquid crystal displays, for example STN, TN, AMD-TN, temperature compensation, guest-host or phase change displays, or polymer free or polymer stabilized cholesteric texture (PFCT, PSCT) displays.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: April 17, 2001
    Assignee: Merck Patent GmbH
    Inventors: Owain L Parri, Patrick Nolan, Louise D Farrand, Alison May