Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2005-02-08
2005-02-08
Cain, Edward J. (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S321000, C524S424000, C524S425000, C524S427000
Reexamination Certificate
active
06852783
ABSTRACT:
A CO2releasing composition that can be incorporated into the packaging for carbonated beverages having a co-continuous interconnecting channel morphology comprising at least three components, (a) wherein component A is selected from the group of polymers that are semicrystalline polymers and amorphous polymers, wherein the amorphous polymers have a shear modulus greater than about 8 MPa; (b) wherein component B is a polymer; (c) wherein components A and B are immiscible within each other and, if components A and B react after mixing, components A and B are immiscible prior to reaction; (d) wherein component C is a particle and a composition that has an ability to release CO2.; (e) wherein the volume fraction of component A represents at least about 50% by volume of the total volume of components A, B and C; (f) wherein the preferential affinity between component B and component C is greater than between component A and component C; (g) wherein at least two phases are formed, one phase is composed of a majority of component A, and the second phase is composed of a majority of component B and a majority of component C; and (h) wherein the two phases form the co-continuous interconnecting channel morphology.
REFERENCES:
patent: 5611962 (1997-03-01), Garcia et al.
patent: 6740731 (2004-05-01), Bigg et al.
Cain Edward J.
CSP Technologies, Inc.
Greenberg & Traurig, LLP
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