Process for passivating porous ceramic articles and an...

Details Process for passivating porous ceramic articles and an... Process for passivating porous ceramic articles and an...

2011-01-11

2011-01-11

Johnson, Edward M (Department: 1793)

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Treating with a liquid or treating in a liquid phase,...

C502S439000

Reexamination Certificate

active

07867936

ABSTRACT:
A method for passivating a porous ceramic article containing microcracks including filling the microcracks with a liquid, such as water, and then applying a washcoat as described herein.

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patent: 2006/0154816 (2006-07-01), Domesle et al.
patent: 2005/018790 (2005-03-01), None

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