Appeal No. 1996-0896
Application No. 08/091,406
This is an appeal pursuant to 35 U.S.C. § 134 from the
examiner’s final rejection of claims 1 through 3, which are
the only claims remaining in this application.
According to appellants, the invention is directed to
optically active compounds for use in liquid crystal displays,
where the compounds are phenyl pyrimidine type compounds
having a 2- or 3-fluoro-substituted asymmetric carbon and, in
addition, another asymmetric carbon atom in the molecular
terminal side as specified by the formula (1)(Brief, page 2).
Illustrative claim 1 is reproduced and attached as an Appendix
to this decision.
The examiner has relied upon the following reference in
support of the rejections:
Saito et al. (Saito) 5,120,468 June 9,
1992
(filed Aug. 6,
1990)
Appellants have relied upon the following references in
rebuttal of the examiner’s rejections:
Goodby et al. (Goodby), “Helical Twist Sense and Spontaneous
Polarization Direction in Ferroelectric Smectic Liquid
Crystals,” J. Am. Chem. Soc. 1986, 108, 4729-4735;
2
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