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
2003-01-09
2004-08-10
Pezzuto, Helen L. (Department: 1713)
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...
C524S515000, C524S523000
Reexamination Certificate
active
06774171
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to an improved magnetic composition, and more particularly to an improved magnetic composition, which may be employed for sealing, baffling, vibrational and acoustical dampening, structural reinforcing, combinations thereof or the like.
BACKGROUND OF THE INVENTION
For many years, industry and particularly the transportation industry has been concerned with designing compositions that function to provide sealing, baffling, vibrational and acoustical dampening, structural reinforcement, combinations thereof or the like to articles of manufacture such as transportation vehicles (e.g., automotive vehicles). Additionally, it is typically desirable for these compositions to exhibit one or more properties that allow the compositions to be more functional, processible or the like. In the interest of continuing such innovation, the present invention provides an improved magnetic composition.
SUMMARY OF THE INVENTION
Accordingly, the present invention provides a magnetic composition. The composition is preferably comprised of a polymeric mixture, an additive and a magnetic material. The polymeric mixture may include one or more of a variety of different polymers such as thermoplastics, thermoset or thermosettable polymers, plastics, plastomers, elastomers combinations thereof or the like. The additive is preferably a functional agent such as a tackifier, a flexibility agent or the like. The magnetic material preferably includes one or more metallic components, which may be part of ceramic material.
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Apfel Jeffrey R.
Kassa Abraham
Dobrusin & Thennisch PC
L&L Products Inc.
Pezzuto Helen L.
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