Porous coating loaded with a liquid or a solid substance
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United States of America Patent
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Nov 13, 2012
Grant Date -
Apr 16, 2009
app pub date -
Sep 15, 2006
filing date -
Sep 16, 2005
priority date (Note) -
Expired
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Abstract
The present invention relates to a process for manufacturing a porous coating with structures in the micro or nano-size domain characterized by the following steps:—providing a support having a surface,—depositing on the surface one mono-layer of temporary particles,—depositing a coating on the temporary particles in such a way that the thickness of the coating is less than the particle diameter,—eliminating the temporary particles and thereby obtaining a porous coating, the pores of the coating corresponding to the spaces previously occupied by the temporary particles and at least a part of the pores communicating with the external environment,—applying a coating fixation step, characterized by the fact that it furthermore comprise a filling step where the pores are at least partially filled with a liquid or solid substance. The invention also concerns a coating and an object which can be obtained with this process.
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