Patents by Inventor Christopher GABBUTT

Christopher GABBUTT 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).

  • PHOTOCHROMIC COMPOUND, PHOTOCHROMIC ARTICLE AND EYEGLASSES
    Publication number: 20220325171
    Abstract: The photochromic compound is represented by general formula (1): wherein, X denotes an oxygen atom, or a nitrogen atom unsubstituted or substituted by a substituent selected from Y1 group: —R1, -A1(B1)l(A2)m(B2)nR2, -A3A4, -A5R3 R1 denotes a cyano group or the like, R2 denotes an alkyl group or the like, R3 denotes a halogen atom or the like, A1, A2, A3, and A5 each independently denote an alkylene group or the like, A4 denotes a naphthyl group which may be substituted, B1 and B2 each independently denote a divalent group selected from the following group: l, m, and n are each independently 0 or 1, provided that n is 0 when m is 0, Y2 denotes a hydrogen atom or the like, R denotes a hydrogen atom or the like, and denotes a norbornylidene group, a bicyclo[3.3.1]nonylidene group, or an adamantylidene group which may each be substituted.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 13, 2022
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Yuko ARAI, Kei KOBAYASHI, Yusuke NUSHI, Mark HERON, Christopher GABBUTT, Orlando Delfim Carvalho Couto de AZEVEDO
  • PHOTOCHROMIC COMPOUND, PHOTOCHROMIC ARTICLE AND EYEGLASSES
    Publication number: 20220315831
    Abstract: The photochromic compound is represented by the following general formula (1): wherein, X denotes an oxygen atom or a nitrogen atom unsubstituted or substituted by a substituent selected from the following Y1 group: Y1 group: —R1, -A1(B1)l(A2)m(B2)nR2, -A3A4, -A5R3 R1 denotes a cyano group or the like, R2 denotes an alkyl group or the like, Ra denotes a halogen atom or the like, A1, A2, A3, and A5 each independently denote an alkylene group or the like, A4 denotes a naphthyl group which may be substituted, B1 and B2 each independently denote any one of the divalent groups selected from the following group: l, m, and n are each independently 0 or 1, provided that n is 0 if m is 0, Y2 denotes a hydrogen atom or the like, R denotes a hydrogen atom or the like, denotes a norbornylidene group or the like.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 6, 2022
    Applicant: HOYA LENS THAILAND LTD.
    Inventors: Yuko ARAI, Kei KOBAYASHI, Yusuke NUSHI, Mark HERON, Christopher GABBUTT, Orlando Delfim Carvalho Couto De AZEVEDO
  • Electrochromic compounds and optical articles containing them
    Patent number: 10730855
    Abstract: The present invention relates to a group of novel electrochromic compounds. More specifically, it relates to electrochromic compounds comprising one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: August 4, 2020
    Assignee: Essilor International
    Inventors: Claudine Biver, Fabien Berit-Debat, Samuel Archambeau, Christopher Gabbutt, Stuart Aiken, Bernard Mark Heron, Thomas David Broadbent
  • ELECTROCHROMIC COMPOUNDS AND OPTICAL ARTICLES CONTAINING THEM
    Publication number: 20190315718
    Abstract: The present invention relates to a group of novel electrochromic compounds. More specifically, it relates to electrochromic compounds comprising one or several pyridinium rings and the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.
    Type: Application
    Filed: January 4, 2018
    Publication date: October 17, 2019
    Applicant: Essilor International
    Inventors: Claudine BIVER, Fabien BERIT-DEBAT, Samuel ARCHAMBEAU, Christopher GABBUTT, Stuart AIKEN, Bernard Mark HERON, Thomas David BROADBENT