Coating processes – Direct application of electrical – magnetic – wave – or... – Electrostatic charge – field – or force utilized
Reexamination Certificate
2006-06-13
2006-06-13
Parker, Fred J. (Department: 1762)
Coating processes
Direct application of electrical, magnetic, wave, or...
Electrostatic charge, field, or force utilized
C427S460000, C427S470000, C427S261000, C427S282000, C427S287000
Reexamination Certificate
active
07060329
ABSTRACT:
A metal oxide coating has a nanotextured surface defined by a plurality of capillary openings arranged in a pattern on the surface of the coating. Each of the capillary openings have a diameter defined by a previously present organic macromolecule. The metal oxide coating is formed by depositing a solution containing uniformly dispersed micelles composed of amphiphilic molecules on a metal, oxide, or plastic substrate. The micelles are self-arranging, in solution, as a result of mutually repulsive electrostatic forces on the surface of the micelles, and form a uniformly patterned organic template when the solution is deposited on the surface of the substrate. A metal oxide coating is then applied to the substrate, which forms a ceramic monolayer that is a negative image of the organic template. The organic template is then removed, thereby forming a metal oxide coating having a plurality of macromolecular-sized apertures formed therein.
REFERENCES:
patent: 5304363 (1994-04-01), Beck et al.
patent: 2002/0034627 (2002-03-01), Jacquoid et al.
Kelley Kurtis C.
Rockwood Jill E.
Thomson Norval P.
Caterpillar Inc
Finnegan Henderson Farabow Garrett & Dunner
Green Clifton
Parker Fred J.
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