Title:
【発明の名称】二環式基とC5-C6において環化されたナフトピランおよびフェナントロピラン、並びにそれらを含有する組成物および(コ)ポリマーマトリクス
Document Type and Number:
Japanese Patent JP2002537296
Kind Code:
A
Abstract:
The invention relates to novel naphthopyran- and phenanthropyran-type compounds having a carbobicycle annelated in 5,6-position. These compounds have formula (I) given below:These compounds (I) have interesting photochromic properties. The invention also relates to their preparation, to their applications as photochromes, as well as to the compositions and (co)polymer matrices containing them.
Inventors:
Chan, Yupin
Jean Patrick
Jean Patrick
Application Number:
JP2000599750A
Publication Date:
November 05, 2002
Filing Date:
February 15, 2000
Export Citation:
Assignee:
Corning Society Anonymous
International Classes:
C07C39/17; C07D311/78; C07D311/92; C07D311/94; C08F8/00; C08G85/00; C08K5/1545; C09K9/02; G02B5/23; (IPC1-7): C07D311/78; C07C39/17; C08F8/00; C08G85/00; C09K9/02
Attorney, Agent or Firm:
Seiji Yanagida (1 person outside)