Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
【発明の名称】フォトクロミック化合物およびフォトクロミック組成物
Document Type and Number:
Japanese Patent JP2545606
Kind Code:
B2
Abstract:
Disclosed herein is a photochromic compound comprising a spirooxazine compound represented by the following general formula (I): wherein R<1> means an alkyl, allyl or alkoxyalkyl group, or a substituted or unsubstituted aralkyl or aryloxyalkyl group, R<2> and R<3> individually denote a substituted or unsubstituted alkyl group, R<4>, R<5>, R<6> and R<7> stand individually for a hydrogen or halogen atom, or an alkyl, alkoxy, hydroxy, alkoxyalkyl, or substituted or unsubstituted amino group. A photochromic composition comprising the photochromic compound and a phenol derivative, fluorine-containing alcohol or hindered amine type light stabilizer is also disclosed.

Inventors:
MACHIDA KATSUICHI
SAITO AKIRA
SAKAGAMI TERUO
Application Number:
JP10180589A
Publication Date:
October 23, 1996
Filing Date:
April 24, 1989
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KUREHA CHEMICAL IND CO LTD
International Classes:
C07D498/10; C09K9/02; G03C1/685; (IPC1-7): C07D498/10; C09K9/02
Attorney, Agent or Firm:
Masahiko Oi