Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2007-03-20
2007-03-20
Niland, Patrick D. (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C427S213000, C428S402210, C523S202000, C523S205000, C524S086000, C524S091000, C524S137000, C524S211000
Reexamination Certificate
active
10377642
ABSTRACT:
A liquid self-healing coating, incorporating microcapsules filled with tailored repair formulations, repairs itself upon physical compromise after curing. In one embodiment, a commercially available paint primer is mixed with a pre-specified amount of these microcapsules. After the coating has cured on the substrate to which it is applied, any physical compromise of the cured coating results in the microcapsules bursting to release a liquid that fills and seals the compromised volume of the coating. In applications where paint is used to provide corrosion protection, the liquid contains anti-corrosion material as well as suitable diluents and film-forming compounds. In another embodiment, the microcapsules may be provided separately to enhance commercially available products. For example, if a paint formulation is known a priori, specifically configured microcapsules packaged separately from the paint and designed for use with the paint formulation, may be added to the commercially available product just prior to application.
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Kumar Ashok
Sarangapani Srinivasan
Stephenson Larry D.
Thies Curtis
Baugher Jr. Earl H.
Niland Patrick D.
The United States of America as represented by the Secretary of
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