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
2004-11-24
2010-02-16
Douyon, Lorna M (Department: 1796)
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...
C524S439000, C428S035800, C428S036400, C428S328000, C428S542800, C428S913000, C206S524600, C215S400000, C252S514000
Reexamination Certificate
active
07662880
ABSTRACT:
Polyester compositions are disclosed that include polyester polymers or copolymers having incorporated therein metallic nickel particles that improve the reheat properties of the compositions. Processes for making such compositions are also disclosed. The nickel particles may be incorporated in the polyester by melt compounding, or may be added at any stage of the polymerization, such as during the melt-phase of the polymerization. A range of particle sizes may be used, as well as a range of particle size distributions. The polyester compositions are suitable for use in packaging made from processes in which a reheat step is desirable.
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Quillen Donna Rice
Xia Zhiyong
Carrier Michael K.
Douyon Lorna M
Eastman Chemical Company
Graves, Jr. Bernard J.
Khan Amina
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