Appeal No. 2006-2575
Application No. 10/025,567
Claim 13 is similar to claim 1 but requires the antibodies in the
composition to be prepared by inoculating female birds with P antigen from
P. anaerobius. The Specification discloses that P antigen is prepared by
culturing P. anaerobius in broth, recovering the culture by low speed
centrifugation, removing whole cells by centrifugation, and recovering the P
antigen as the supernatant from the separated whole cells.
(Specification 16.)
Claims 16 and 19 recite essentially the same compositions as
claim 13. However, instead of antibodies to P antigen from P. anaerobius,
claims 16 and 19 require the compositions to contain antibodies to CS
antigen from Clostridium sticklandii and CA antigen from Clostridium
aminophilum, respectively. The Specification discloses that these antigens
can be prepared by culturing C. sticklandii or C. aminophilum in broth,
recovering the culture by low speed centrifugation, removing whole cells by
centrifugation, and recovering the CS or CA antigen as the supernatant from
the separated whole cells. (Specification 17-18.)
Thus, we interpret claims 13, 16, and 19 as encompassing
compositions comprising the dried non-shell components of bird eggs which
contain IgY, IgA, and IgM antibodies to antigens which can be separated
from whole cells in culture by centrifugation.
2. SCOPE OF ENABLEMENT
Claims 1, 3, 5-7, and 12-29 stand rejected under 35 U.S.C. § 112, first
paragraph, as enabling only “a microbial adherence inhibitor in the form of
IgY for administration to food animals to inhibit the adherence of targeted
colony-forming bacteria in the rumen or intestinal tracts of said food animal
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