Appeal No. 1997-2209
Application No. 08/179,196
wherein R to R each represents a member selected from the1 9
group consisting of a hydrogen atom, an alkyl group, a t-
butoxycarbonyloxy group and a hydroxyl group, provided that at
least one of R to R is a t-butoxycarbonyloxy group and at1 4
least one of R to R is a t-butoxycarbonyloxy group.5 9
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Murata et al. (Murata) 5,332,650 Jul. 26,
1994
(filed Sep. 4, 1992)
Urano et al. (Urano) 5,350,660 Sep. 27,
1994
(filed Jan. 28, 1991)
Sinta et al. (Sinta) 5,362,600 Nov. 8,
1994
(filed May 25, 1993)
Ueda et al. (Ueda) 5,397,679 Mar. 14,
1995
(filed April 9, 1993)
Yamanaka et al. (Yamanaka) 1 0 541 112 A1 May 12, 1993
(published European patent application)
1Yamanaka is also referred to as “EP ‘112” in the
examiner’s answer. Consistent with the appeal brief and the
listing of the prior art on page 5 of the answer, we use
“Yamanaka.”
3
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