Process for impregnating porous mineral substrates

Details Process for impregnating porous mineral substrates Process for impregnating porous mineral substrates

2003-04-25

2009-11-03

Cameron, Erma (Department: 1792)

Coating processes

With post-treatment of coating or coating material

Heating or drying

C427S387000, C427S421100, C427S426000, C427S427200, C427S427300, C427S427400, C239S337000, C239S338000, C239S373000, C239S398000, C239S428500

Reexamination Certificate

active

07611753

ABSTRACT:
A process is provided for impregnating porous mineral substrates by a spray technique in which use is made of a gas-supported spraying assembly to apply liquid impregnating agent in a controlled manner to the substrate surface, the amount consumed being markedly less than the amount consumed in a conventional method of application by a flow-coating process.

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