WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO1998028235) 2-ADAMANTYL BENZOPYRANS, THE COMPOSITIONS AND (CO)POLYMER MATRICES CONTAINING THEM
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1998/028235    International Application No.:    PCT/US1997/023664
Publication Date: 02.07.1998 International Filing Date: 10.12.1997
Chapter 2 Demand Filed:    08.04.1998    
IPC:
C07D 311/92 (2006.01), C07D 311/96 (2006.01), C08F 246/00 (2006.01)
Applicants: CORNING INCORPORATED [US/US]; 1 Riverfront Plaza, Corning, NY 14831 (US)
Inventors: CHAN, You-Ping; (FR)
Agent: HERZFELD, Alexander, R.; Patent Dept., SP FR 02-12, Corning Incorporated, 1 Riverfront Plaza, Corning, NY 14831 (US)
Priority Data:
96/15850 23.12.1996 FR
60/038,357 13.02.1997 US
Title (EN) 2-ADAMANTYL BENZOPYRANS, THE COMPOSITIONS AND (CO)POLYMER MATRICES CONTAINING THEM
(FR) 2-ADAMANTYL BENZOPYRANNES, COMPOSITIONS ET MATRICES (CO)POLYMERES LES RENFERMANT
Abstract: front page image
(EN)The present invention has for subjects, novel benzopyran derivatives, substituted in position 2 with an adamantyl group as well as the compositions and (co)polymer matrices containing such derivatives. Said derivatives possess interesting photochromic properties.
(FR)La présente invention a pour objet de nouveaux dérivés de benzopyrannes, substitués en position 2 par un groupe adamantyle, ainsi que des compositions et matrices (co)polymères renfermant de tels dérivés. Lesdits dérivés possèdent d'intéressantes propriétés photochromiques.
Designated States: AU, BR, CA, CN, JP, KR, MX, RU.
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language: English (EN)
Filing Language: English (EN)