Appeal No. 1997-1093
Application No. 08/272,281
amended subsequent to the final rejection, which are all of the claims pending in this
2
application. Claim 1 is illustrative and reads as follows.
1. A processed stable fibrinogen solution, obtained by
a) treating a starting fibrinogen solution at least twice with an adsorbent
selected from the group consisting of an anion exchanger, a sparingly
soluble salt of an alkaline earth metal and aluminum hydroxide,
b) removing said adsorbent from the treated fibrinogen solution leaving
a supernatant, wherein the fibrinogen remains in said supernatant
and
c) recovering said supernatant,
wherein the fibrinogen in the supernatant maintains its ability to function
when stored at 4-25EC for four weeks.
The references relied on by the examiner are:
Kotitschke et al. (Kotitschke) 4,272,523 Jun. 9, 1981
Rose et al. (Rose) 4,627,879 Dec. 9, 1986
Mathews et al. (Mathews) 4,743,680 May 10, 1988
ISSUES
Claims 1-3, 5, 7, 9, and 11-13 stand rejected under 35 U.S.C. § 103 as being
unpatentable over Kotitschke in view of Mathews. Claims 8, 10, and 14 stand rejected
under 35 U.S.C. § 103 as being unpatentable over Kotitschke in view of Mathews as
applied to claims 1-3, 5, 7, 9, and 11-13, and further in view of Rose.
2The amendment filed October 27, 1995 (Paper No. 19) amending claims 1 and 9 was entered by
the examiner in the advisory action mailed December 6, 1995 (Paper No. 21).
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