Interference No. 103,675
R1 is -COR2 in which Rz is t-butyloxy, C1-6 alkyl,
C2-6 alkenyl, C2-6 alkynyl, C3-6 cycloalkyl or phenyl, optionally
substituted with one to three same or different C alkyl,
C1-6 alkoxy, halogen or -CF3 groups;
R2 is C1-6 alkyl, C1-6 alkenyl, C2-6 alkynyl, C3-6
cycloalkyl, or a radical of the formula -W-Rx in which W is a
bond, C2-6 alkenediyl, or -(CH2)t-, in which t is one to six;
and Rx is naphthyl, furyl, thienyl or phenyl, and furthermore
RX can be optionally substituted with one to three same or
different C1-6 alkyl, C-1-6 alkoxy, halogen or -CF3 groups; and
R3 is OCOR, -OCOOR, H, or OH; R4 is hydrogen; or R3
and R4 jointly form a carbonyl group; and R is C1-6 alkyl.
The claims of the parties which correspond to the counts in
this interference are4:
COUNT 2
Chen et al.: Claims 7 through 9
Bouchard et al.: Claim 142
4 See Paper Number 228; "Redeclaration"; mailed on February 1,
2000.
6
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