Patents by Inventor Sabrina Chappellet

Sabrina Chappellet 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).

  • Liquid crystal compounds
    Patent number: 11959005
    Abstract: The invention relates to novel polymerizable liquid crystals of formula (I), to LCP mixtures comprising these compounds and to their uses for optical and electro-optical devices: with the proviso the at least one of the polymerisable groups G1 or G2 is a naphthalenediyl group.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: April 16, 2024
    Assignee: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • Compositions of polymerizable liquid crystals
    Patent number: 11952524
    Abstract: The invention relates to novel compositions comprising at least two anisotropic compounds of formula as well as to liquid crystalline networks, films and electro-optical devices comprising the compositions.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: April 9, 2024
    Assignee: ROLIC TECHNOLOGIES AG
    Inventors: Sabrina Chappellet, Richard Frantz
  • Polymerizable liquid crystal
    Patent number: 11702595
    Abstract: The invention relates to novel anisotropic compounds of formula as well as to liquid crystalline mixtures, films and electro-optical devices comprising the compound.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: July 18, 2023
    Assignee: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • Photoaligning materials
    Patent number: 11634544
    Abstract: The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of the linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as liquid crystal devices (LCDs):
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: April 25, 2023
    Assignee: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • COMPOSITIONS OF POLYMERIZABLE LIQUID CRYSTALS
    Publication number: 20220298418
    Abstract: The invention relates to novel compositions comprising at least two anisotropic compounds of formula as well as to liquid crystalline networks, films and electro-optical devices comprising the compositions.
    Type: Application
    Filed: August 24, 2020
    Publication date: September 22, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: Sabrina CHAPPELLET, Richard FRANTZ
  • NEW POLYMERIZABLE LIQUID CRYSTAL HAVING A CARBAZOLE CORE
    Publication number: 20220259148
    Abstract: The invention relates to novel anisotropic compounds of formula as well as to liquid crystalline mixtures, films and electro-optical devices comprising the compound.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 18, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: Shinnosuke YAMAUCHI, Fabien NEKELSON, Sabrina CHAPPELLET
  • NEW POLYMERIZABLE LIQUID CRYSTAL HAVING A QUINOXALINE-HYDRAZONE CORE
    Publication number: 20220251450
    Abstract: The invention relates to novel anisotropic compounds of formula (I) as well as liquid crystalline mixtures, films and electro-optical devices comprising the compound.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 11, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: Shinnosuke YAMAUCHI, Fabien NEKELSON, Sabrina CHAPPELLET
  • NEW POLYMERIZABLE LIQUID CRYSTAL
    Publication number: 20220228063
    Abstract: The invention relates to novel anisotropic compounds of formula as well as to liquid crystalline mixtures, films and electro-optical devices comprising the compound.
    Type: Application
    Filed: June 26, 2020
    Publication date: July 21, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina CHAPPELLET
  • LIQUID CRYSTAL COMPOUNDS
    Publication number: 20220127531
    Abstract: The invention relates to novel polymerizable liquid crystals of formula (I), to LCP mixtures comprising these compounds and to their uses for optical and electro-optical devices: with the proviso the at least one of the polymerisable groups G1 or G2 is a naphthalenediyl group.
    Type: Application
    Filed: March 16, 2020
    Publication date: April 28, 2022
    Applicant: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina CHAPPELLET
  • PHOTOALIGNING MATERIALS
    Publication number: 20210340330
    Abstract: The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of the linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as liquid crystal devices (LCDs):
    Type: Application
    Filed: June 16, 2021
    Publication date: November 4, 2021
    Applicant: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina CHAPPELLET
  • Photoaligning materials
    Patent number: 11098164
    Abstract: The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of the linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as liquid crystal devices (LCDs):
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: August 24, 2021
    Assignee: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • PHOTOALIGNING MATERIALS
    Publication number: 20200223984
    Abstract: The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of said linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as, liquid crystal devices (LCDs).
    Type: Application
    Filed: March 31, 2020
    Publication date: July 16, 2020
    Applicant: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • Photoaligning materials
    Patent number: 10696795
    Abstract: The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of the linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as liquid crystal devices (LCDs):
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: June 30, 2020
    Assignee: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina Chappellet
  • Cyanostilbenes
    Patent number: 10329486
    Abstract: The present invention relates to novel compounds that are particularly useful for the alignment, especially photoalignment, of slave material, especially liquid crystals for optical or electro-optical applications, such as security applications, liquid crystal devices or optical or electro-optical films.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: June 25, 2019
    Assignee: ROLIC AG
    Inventors: Izabela Bury S. Pires, Sabrina Chappellet, Mohammed Ibn-Elhaj, Frederic Lincker
  • PHOTOALIGNING MATERIALS
    Publication number: 20180319939
    Abstract: The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of said linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as, liquid crystal devices (LCDs).
    Type: Application
    Filed: November 9, 2016
    Publication date: November 8, 2018
    Applicant: ROLIC TECHNOLOGIES AG
    Inventor: Sabrina CHAPPELLET
  • COMPOSITIONS OF PHOTO-ALIGNABLE MATERIALS
    Publication number: 20180320072
    Abstract: The invention relates to new compositions comprising a photo-alignable material comprising or deriving from a monomer of formula (I) and an additive selected from the group consisting of acid generators, base generators, acids or bases.
    Type: Application
    Filed: November 8, 2016
    Publication date: November 8, 2018
    Applicant: ROLIC TECHNOLOGIES AG
    Inventors: Hassan RIDAOUI, Sabrina CHAPPELLET, Mohammed IBN-ELHAJ
  • Photoaligning materials
    Patent number: 9493394
    Abstract: The present invention relates to polymer, homo- or copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, comprising a main chain and a side chain, wherein the side chain and/or main chain comprises a polar group, compositions thereof, and its use for optical and electro optical devices, especially liquid crystal devices (LCDs).
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: November 15, 2016
    Assignee: ROLIC AG
    Inventors: Sabrina Chappellet, Jean-Francois Eckert, Mohammed Ibn-Elhaj, Frederic Lincker, Satish Palika, Hubert Seiberle, Qian Tang, Eva Veenstra
  • Photoreactive compounds
    Patent number: 9366906
    Abstract: The present invention relates to photoreactive compounds that are particularly useful in materials for the alignment of liquid crystals.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: June 14, 2016
    Assignee: ROLIC AG
    Inventors: Frederic Lincker, Izabela Bury S. Pires, Sabrina Chappellet, Patricia Scandiucci De Freitas, Mohammed Ibn-Elhaj, Qian Tang, Satish Palika, Masato Hoshino, Jean-Francois Eckert
  • Photoaligning materials
    Patent number: 9334366
    Abstract: The present invention relates to polymer, homo- or copolymer or oligomer, which, when irradiated with polarised light orients perpendicular to the polarization direction of polarized actinic light, for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer (I), compositions thereof, and its use for optical and electro optical devices, such as, liquid crystal devices (LCDs), especially for planar orientation of liquid crystals.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: May 10, 2016
    Assignee: ROLIC AG
    Inventors: Mohammed Ibn-Elhaj, Eva Veenstra, Sabrina Chappellet, Jean-François Eckert, Frederic Lincker, Satish Palika, Valsa Kannookadan, Qian Tang
  • CYANOSTILBENES
    Publication number: 20160083655
    Abstract: The present invention relates to novel compounds that are particularly useful for the alignment, especially photoalignment, of slave material, especially liquid crystals for optical or electro-optical applications, such as security applications, liquid crystal devices or optical or electro-optical films.
    Type: Application
    Filed: May 22, 2014
    Publication date: March 24, 2016
    Applicant: ROLIC AG
    Inventors: Izabela BURY S. PIRES, Sabrina CHAPPELLET, Mohammed IBN-ELHAJ, Frédéric LINCKER