Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...
Reexamination Certificate
2004-11-19
2008-09-16
Wu, Shean C (Department: 1795)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
C252S299610, C252S299620, C252S299630, C252S299640, C252S299650, C252S299660, C252S299500, C252S299010
Reexamination Certificate
active
07425354
ABSTRACT:
The present invention provides a photopolymerizable liquid crystal composition comprising at least a compound having oxiranyl as a first component and at least a compound having oxetanyl as a second component, a polymer or a polymer composition obtained from the liquid crystal composition, a film obtained from the polymer or polymer composition, and an optical compensation element using the film.
REFERENCES:
patent: 7070838 (2006-07-01), Sasada et al.
patent: 7157124 (2007-01-01), Sasada et al.
Hirai Yoshiharu
Saigusa Kazuhiko
Shundo Ryushi
Yanai Motoki
Chisso Corporation
Chisso Petrochemical Corporation
Wenderoth , Lind & Ponack, L.L.P.
Wu Shean C
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