Appeal No. 95-4485
Application 08/097,589
claims 1-12 as amended after final rejection, and from the
examiner’s final rejection of claims 13-15. These are all of
the claims in the application.
THE INVENTION
Appellants’ claimed invention is directed toward a method
for extracting cholesterol from egg yolk by shearing a mixture
of oil, yolk and water, within recited ranges of
oil:yolk:water ratio and temperature, such that an oil-in-
water emulsion is not formed, and centrifuging the mixture to
separate it into a water phase which contains egg yolk reduced
in cholesterol, and an oil phase. Claim 1 is illustrative and
reads as follows:
1. A method of extracting cholesterol from egg yolk
where the method comprises; diluting a wet egg yolk having a
natural water content with water and mixing the diluted egg
yolk with oil to form a mixture containing a ratio of oil to
yolk to water between about 3:1:0.8 to about 1.5:1:0.4,
shearing the mixture while the mixture is at a temperature
between about 124EF to about 148EF, the shearing effective for
not forming an oil-in-water emulsion, and recovering in a
water phase an egg yolk reduced in cholesterol by subjecting
the sheared mixture to centrifugation so as to separate the
mixture into an oil phase and the water phase.
THE REJECTIONS
Claims 1-15 stand rejected under 35 U.S.C. § 112, first
2
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