Plasma treatment of porous materials

Coating processes – Direct application of electrical – magnetic – wave – or... – Pretreatment of substrate or post-treatment of coated substrate

Reexamination Certificate

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C427S488000, C427S489000, C427S491000, C427S536000, C427S538000, C427S539000, C427S569000, C427S577000, C427S579000

Reexamination Certificate

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06878419

ABSTRACT:
The application discloses methods of plasma treatment that employ an ion sheath in a capacitively-coupled system to increase the hydrophilicity of porous articles, including microporous articles having pore sizes of 0.05 to 1.5 micrometers, both on their surfaces and in their pores such that the articles' bulk wetting properties are improved.

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