Title:
ピラン酸素に隣接し両方のメタ位によってパラ置換基に結合されたベンゼン環を有する、フォトクロミック縮合ナフトピラン
Document Type and Number:
Japanese Patent JP2014502963
Kind Code:
A
Abstract:
The present invention relates to photochromic fused naphthopyrans having a benzene ring which is adjacent to the pyran oxygen and is linked to the para substituent via both meta positions, and to the use thereof in plastics of all types, in particular for ophthalmic purposes.
Inventors:
Merzig, Manfred
Rollfing, even
Weingant, Oud
Rollfing, even
Weingant, Oud
Application Number:
JP2013545110A
Publication Date:
February 06, 2014
Filing Date:
December 21, 2011
Export Citation:
Assignee:
Rodenstock. Gezel Shaft. Mitt. Beschlenktel. Haftung
International Classes:
C07D455/03; C07D471/04; C09K9/02; G02C7/10
Foreign References:
| WO2001060811A1 | 2001-08-23 | |||
| WO2002090342A1 | 2002-11-14 | |||
| WO2008077634A1 | 2008-07-03 | |||
| WO2009024271A1 | 2009-02-26 |
Attorney, Agent or Firm:
Yoshiyuki Kawaguchi
Shinichi Sanuki
Takeshi Niwa
Shinichi Sanuki
Takeshi Niwa