CHROMENE COMPOUND

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20150034887A1
SERIAL NO

14384078

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A novel photochromic compound which develops a color of a neutral tint (double peak characteristic) and has high color optical density, high fading speed and excellent durability.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TOKUYAMA CORPORATION1-1 MIKAGE-CHO SHUNAN-SHI YAMAGUCHI 7458648

International Classification(s)

loading....
  • 2013 Application Filing Year
  • C07D Class
  • 4936 Applications Filed
  • 4309 Patents Issued To-Date
  • 87.30 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20132014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Izumi, Shinobu Shunan-shi, JP 33 186
Momoda, Junji Shunan-shi, JP 93 591
Shimizu, Yasutomo Shunan-shi, JP 44 101

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • C07D Class
  • 0 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges12662125286874713251301 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 80100 +010020030040050060070080090010001100120013001400150016001700180019002000210022002300

Forward Cite Landscape

Load Citation