PHOTOCHROMIC COMPOUND, PHOTOCHROMIC COMPOSITION, PHOTOCHROMIC ARTICLE AND EYEGLASSES

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20230416218A1
SERIAL NO

18207800

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Provided are a photochromic compound represented by General Formula 1, and the like. In General Formula 1, R100 to R111, and X1 and X2 each independently represent a hydrogen atom or a substituent, and two or more substituents may be bonded to form a ring structure.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HOYA LENS THAILAND LTDPATHUMTHANI 12130

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KAWAKAMI, Hironori Tokyo, JP 47 118
KOBAYASHI, Kei Tokyo, JP 117 699
MATSUE, Aoi Tokyo, JP 12 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • C07D Class
  • 0 % this patent is cited more than
  • 2 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges86361099301 - 1011 - 200500100015002000250030003500400045005000550060006500700075008000850090009500

Forward Cite Landscape

Load Citation