Title:
PHOTOCHROMIC COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2003/097765
Kind Code:
A1
Abstract:
A photochromic composition comprising a molecular compound of a chromene compound with an aromatic compound&semi a coating composition comprising the photochromic composition&semi and a molecular compound of a chromene compound with an aromatic compound. The photochromic composition can be hardened by itself into a hardened article and the coating composition can be applied on a lens substrate and then hardened, both to give a photochromic optical material.
Inventors:
NAGOH HIRONOBU (JP)
MOMODA JUNJI (JP)
MOMODA JUNJI (JP)
Application Number:
PCT/JP2002/004947
Publication Date:
November 27, 2003
Filing Date:
May 22, 2002
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
NAGOH HIRONOBU (JP)
MOMODA JUNJI (JP)
NAGOH HIRONOBU (JP)
MOMODA JUNJI (JP)
International Classes:
C07D311/78; C07D311/92; C07D311/94; C08F2/00; C08K5/1545; C09D4/00; C09K9/02; (IPC1-7): C09K9/02; C09D4/00; C09D201/00; C09D7/12; C08L101/00; C08K5/3432; C08K5/1545; C07D311/78; G02C7/10; G02B1/04
Foreign References:
| JP2001011066A | 2001-01-16 | |||
| JP2001114775A | 2001-04-24 | |||
| JP2002161269A | 2002-06-04 |
Other References:
See also references of EP 1535980A4
Attorney, Agent or Firm:
Ohshima, Masataka (Fukuya Bldg. 3, Yotsuya 4-chom, Shinjuku-ku Tokyo, JP)
Download PDF:
Previous Patent: IMPROVED COATED ABRASIVES
Next Patent: LIQUID CRYSTALLINE DERIVATIVES FOR ELECTRONIC DEVICES
Next Patent: LIQUID CRYSTALLINE DERIVATIVES FOR ELECTRONIC DEVICES