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
2005-03-29
2005-03-29
Thexton, Matthew A. (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...
C524S789000
Reexamination Certificate
active
06872767
ABSTRACT:
A method of protecting a surface has the steps of providing a coating material containing sufficient aluminum flakes to provide a physical barrier to corrosion; and applying the coating material to a surface, thereby protecting the surface with an armor of aluminum. The method provides a coating material comprising about 3% to about 25% by weight of aluminum flakes, about 5% to about 20% by weight of aluminum flakes and about 7% to about 15% by weight of aluminum flakes. The aluminum flakes in the coating material can be non-leafing. A method of treating old concrete and rusting rebar, calls for providing a coating material containing sufficient aluminum flakes to provide a physical barrier to corrosion and polyisocyanates with sufficient unreacted NCO groups to scavenge water and provide a water-tight coating; and applying the coating material to the surfaces of damaged concrete and exposed rebar, thereby protecting the surfaces with an armor of aluminum. A method of restoring bridges whose zinc chromate paint needs to be repaired calls for providing a coating material containing sufficient aluminum flakes to provide a physical barrier to corrosion and polyisocyanates with sufficient unreacted NCO groups to scavenge water and provide a water-tight coating; and applying the coating material to the zinc chromate surface.
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Luther Barbara J.
Rust Bullett, LLC
Thexton Matthew A.
LandOfFree
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