Title:
PHOTOCHROMIC COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2011/071183
Kind Code:
A1
Abstract:
Disclosed is a photochromic composition comprising 100 parts by mass of an indeno[2,1-f]naphtho[1,2-b]pyran compound having the skeleton represented by formula (I) and 1-300 parts by mass of an ultraviolet absorber which shows maximum absorption in the wavelength range of 280-330 nm as the longest-wavelength maximum absorption.
Inventors:
TAKENAKA JUNJI (JP)
MOMODA JUNJI (JP)
MOMODA JUNJI (JP)
Application Number:
PCT/JP2010/072593
Publication Date:
June 16, 2011
Filing Date:
December 09, 2010
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
TAKENAKA JUNJI (JP)
MOMODA JUNJI (JP)
TAKENAKA JUNJI (JP)
MOMODA JUNJI (JP)
International Classes:
C09K9/02; G03C1/685
Domestic Patent References:
| WO2001060811A1 | 2001-08-23 | |||
| WO2005075193A1 | 2005-08-18 | |||
| WO2007032127A1 | 2007-03-22 |
Foreign References:
| JPH0446333A | 1992-02-17 | |||
| JP2007507569A | 2007-03-29 | |||
| JPH11511199A | 1999-09-28 |
Attorney, Agent or Firm:
OHSHIMA Masataka (JP)
Masataka Oshima (JP)
Masataka Oshima (JP)
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