Appeal No. 2006-2604 Page 3
Application No. 10/253,066
Claims 1, 2, 11, and 18 are representative and read as follows:
1. A method of producing a chewing gum product containing a physically-
modified acyclic carboxamide in order to delay the release rate of the
acyclic carboxamide from the chewing gum comprising the steps of:
a) mixing a quantity of an acyclic carboxamide with an
encapsulating agent wherein the acyclic carboxamide is mixed with a
polymer as the encapsulating agent and the resulting mixture is extruded
into fibers in such a way as to encapsulate the acyclic carboxamide in
order to decrease the rate of release of the acyclic carboxamide in the
chewing gum;
b) adding a quantity of the mixture to a chewing gum
formulation to provide an acyclic carboxamide level in the chewing gum
formulation of from about 0.001% to about 2.0%.
2. A method of producing a chewing gum product containing a physically-
modified acyclic carboxamide in order to delay the release rate of the
acyclic carboxamide from the chewing gum comprising the steps of:
a) encapsulating an acyclic carboxamide with a first
encapsulating agent to form a first encapsulated acyclic carboxamide;
b) encapsulating the first encapsulated acyclic carboxamide
with a second encapsulating agent which is different from said first
encapsulating agent to form a twice encapsulated acyclic carboxamide;
and
c) adding a quantity of the twice encapsulated acyclic
carboxamide to a chewing gum formulation to provide an acyclic
carboxamide level in the chewing gum formulation of from about 0.001%
to about 2.0%.
11. The method of claim 2 wherein a high-potency sweetener selected from
the group consisting of aspartame, alitame, salts of acesulfame,
cyclamate and its salts, saccharin and its salts, thaumatin, monellin,
dihydrochalcones and combinations thereof is mixed in combination with
the acyclic carboxamide and the first encapsulating agent.
18. The method of claim 1 wherein a high-potency sweetener selected from
the group consisting of aspartame, alitame, salts of acesulfame,
cyclamate and its salts, saccharin and its salts, thaumatin, monellin,
dihydrochalcones and combinations thereof is mixed in combination with
the acyclic carboxamide and polymer prior to said extrusion.
Claims 1 and 2 are both directed to methods of making chewing gum containing
an acyclic carboxamide in sustained release form. In the method of claim 1, the acyclic
carboxamide is mixed with a polymer and “the resulting mixture is extruded into fibers in
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