Patents by Inventor Rachel Tuffin

Rachel Tuffin 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).

  • MESOGENIC MEDIA AND LIQUID CRYSTAL DISPLAY
    Publication number: 20160298031
    Abstract: The invention relates to mesogenic media comprising a first component, component A, consisting of bimesogenic compounds optionally a second component, component B, consisting of nematogenic compounds, preferably selected from the group of compounds of formulae B-I to B-III and optionally a second or third component, component C, consisting of one or more chiral molecules, wherein the parameters have the meaning given in claim 1, to the use of mesogenic media in flexoelectric liquid crystal devices and to those devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: October 23, 2014
    Publication date: October 13, 2016
    Applicant: Merck Patent GmbH
    Inventors: Rachel TUFFIN, Rebecca PROCTOR, Simon SIEMIANOWSKI, Benjamin SNOW, Owain Llyr PARRI, Kevin ADLEM
  • BIMESOGENIC COMPOUNDS AND MESOGENIC MEDIA
    Publication number: 20160289561
    Abstract: The invention relates to compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of these compounds of formula I in liquid crystal media and to respective devices comprising a liquid crystal medium according to the present invention and in particular to flexoelectric liquid crystal devices.
    Type: Application
    Filed: October 23, 2014
    Publication date: October 6, 2016
    Applicant: Merck Patent GmbH
    Inventors: Kevin ADLEM, Owain Llyr PARRI, Rachel TUFFIN, Patricia Eileen SAXTON, Mariam NAMUTEBI, Benjamin SNOW, Rebecca PROCTOR, Simon SIEMIANOWSKI
  • MESOGENIC COMPOUNDS AND MESOGENIC MEDIA
    Publication number: 20160222293
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, CG1, MG1, X11, X12 and Sp1 have the meaning given in claim 1, to the use of mesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: August 13, 2014
    Publication date: August 4, 2016
    Applicant: MERCK PATENT GMBH
    Inventors: Kevin ADLEM, Owain Llyr PARRI, Rachel TUFFIN, Patricia Eileen SAXTON, Mariam NAMUTEBI, Benjamin SNOW
  • BIMESOGENIC COMPOUNDS AND MESOGENIC MEDIA
    Publication number: 20150315470
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: November 20, 2013
    Publication date: November 5, 2015
    Applicant: MERCK PATENT GmbH
    Inventors: Kevin ADLEM, Owain Llyr PARRI, Rachel TUFFIN, Mariam NAMUTEBI
  • BIMESOGENIC COMPOUNDS AND MESOGENIC MEDIA
    Publication number: 20150210921
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: August 14, 2013
    Publication date: July 30, 2015
    Applicant: Merck Patent GmbH
    Inventors: Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Patricia Eileen Saxton, Mariam Namutebi, Benjamin Snow
  • BIMESOGENIC COMPOUNDS AND MESOGENIC MEDIA
    Publication number: 20150203755
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: June 14, 2013
    Publication date: July 23, 2015
    Applicant: Merck Patent GmbH
    Inventors: Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Patricia Eileen Saxton, Benjamin Snow, Mark John Goulding, Nathan Smith
  • BIMESOGENIC COMPOUNDS AND MESOGENIC MEDIA
    Publication number: 20150203756
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: June 14, 2013
    Publication date: July 23, 2015
    Applicant: MERCK PATENT GMBH
    Inventors: Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Patricia Eileen Saxton, Mariam Namutebi, Benjamin Snow
  • MESOGENIC MEDIA AND LIQUID CRYSTAL DISPLAY
    Publication number: 20150175886
    Abstract: The invention relates to mesogenic media comprising a first component, component A, consisting of bimesogenic compounds selected from the group of compounds of formulae A-I to A-III a second component, component B, consisting of nematogenic compounds, preferably selected from the group of compounds of formulae B-I to B-III and a third component, component C, consisting of one or more chiral molecules, wherein the parameters have the meaning given in claim 1, to the use of mesogenic media in flexoelectric liquid crystal devices and to those devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: May 10, 2013
    Publication date: June 25, 2015
    Applicant: MERCK PATENT GMBH
    Inventors: Rachel Tuffin, Benjamin Snow, Owain Llyr Parri, Simon Siemianowski, Rebecca Proctor, Kevin Adlem
  • Bimesogenic Compounds and Mesogenic Media
    Publication number: 20150175883
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention.
    Type: Application
    Filed: June 14, 2013
    Publication date: June 25, 2015
    Applicant: Merck Patent GmbH
    Inventors: Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Patricia Eileen Saxton, Mariam Namutebi, Benjamin Snow
  • BIMESOGENIC COMPOUNDS AND MESOGENIC MEDIA
    Publication number: 20150090935
    Abstract: The invention relates to bimesogenic compounds of formula I wherein R11, R12, MG11, MG12, X11, X12 and Sp1 have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention. Furthermore the invention relates to bimesogenic compounds of formula I inducing a second nematic phase in nematic mixtures that do not show this additional phase without compounds of formula I.
    Type: Application
    Filed: May 7, 2013
    Publication date: April 2, 2015
    Applicant: Merck Patent GmbH
    Inventors: Kevin Adlem, Owain Llyr Parri, Rachel Tuffin, Benjamin Snow, Mariam Namutebi
  • BIMESOGENIC COMPOUNDS
    Publication number: 20140232977
    Abstract: The invention relates to bimesogenic compounds of formula I R1-MG1-Sp-MG2-R2??I wherein R1, R2, MG1, MG2 and Sp have the meaning given in claim 1, to the use of bimesogenic compounds of formula I in liquid crystal media and particular to flexoelectric liquid crystal devices comprising a liquid crystal medium according to the present invention. Furthermore the invention relates to bimesogenic compounds of formula I inducing a second nematic phase in nematic mixtures that do not show this additional phase without compounds of formula I.
    Type: Application
    Filed: June 12, 2012
    Publication date: August 21, 2014
    Applicant: MERCK PATENT GMBH
    Inventors: Kevin Adlem, David Wilkes, Patricia Eileen Saxton, Benjamin Snow, Rachel Tuffin, Owain Llyr Parri, Geoffrey Luckhurst