Title:
広がったπ共役系を有するフォトクロミック材料、並びにそれを含む組成物及び物品
Document Type and Number:
Japanese Patent JP4672768
Kind Code:
B2
Abstract:
Various non-limiting embodiments disclosed herein relate to photochromic materials having extended pi-conjugated systems, such as an indeno-fused naphthopyran, which comprises a group that extends the pi-conjugated system of the indeno-fused naphthopyran bonded at the 11-position thereof. Further, the photochromic materials according to certain non-limiting embodiments disclosed herein may display hyperchromic absorption of electromagnetic radiation as compared to conventional photochromic materials and/or may have a closed-form absorption spectrum that is bathochromically shifted as compared to conventional photochromic materials. Other non-limiting embodiments relate to photochromic compositions and photochromic articles, such as optical elements, made using the disclosed photochromic materials, and methods of making the same.
Inventors:
Kim, Bonk
Den, jun
Xiao, Wentin
Bunge Mart, Barry
Chopra, Anu
Den, jun
Xiao, Wentin
Bunge Mart, Barry
Chopra, Anu
Application Number:
JP2008505302A
Publication Date:
April 20, 2011
Filing Date:
February 21, 2006
Export Citation:
Assignee:
Transitions Optical, Incorporated
International Classes:
C09K9/02; C09D5/29; C09D7/12; C09D201/00; G03C1/685
Domestic Patent References:
| JP2002524558A | ||||
| JP2002524559A | ||||
| JP2004131593A | ||||
| JP2008535849A | ||||
| JP2008537762A |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita
Takaaki Yasumura
Natsuki Morishita