Appeal No. 1997-1390
Application 08/443,616
REPRESENTATIVE CLAIM
Claim 16, which is illustrative of the subject matter on appeal, reads as follows:
16. A compound represented by the formula:
wherein R' is selected from: -CH , -CO CH and -OCH and Ph represents phenyl.3 2 3 3
THE REFERENCE
The prior art reference relied on by the examiner is:
Cai et al. (Cai) 5,399,771 Mar. 21, 1995
THE ISSUE
The issue presented for review is whether the examiner erred in rejecting claims 16,
17, 20, and 21 under 35 U.S.C. § 103 as unpatentable over Cai.
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