Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – With viewing layer of specified composition
Reexamination Certificate
2005-11-09
2009-10-06
Sample, David R (Department: 1794)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
With viewing layer of specified composition
C428S001540, C252S299010
Reexamination Certificate
active
07597945
ABSTRACT:
The present invention relates to a polymer satisfying at least two characteristics among the characteristics such that it has orientation of homeotropic and so forth; it has an orientation having no (or less) defects; it has a large optical anisotropy; it is tightly adhered to a supporting plate; it has a sufficient hardness; it is colorless and transparent; it has a large heat resistance; it has a large weatherability; and so forth and to a composition which is the precursor. The composition contains the following the compound (1), (2) and (3).In the above formulas, R is hydrogen or methyl, L is hydrogen, fluorine and so forth, A is 1,4-phenylene and so forth, X is trifluoromethyl and so forth, Y is hydrogen or fluorine, Z is —COO— and so forth, and n is an integer of 1 to 10.
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English Abstract of JP 10319408, published Dec. 4, 1998.
Hirai Yoshiharu
Kato Takashi
Chisso Corporation
Chisso Petrochemical Corporation
Hon Sohpie
Sample David R
Wenderoth , Lind & Ponack, L.L.P.
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