Method and apparatus for an extruded ceramic biosoluble...

Details Method and apparatus for an extruded ceramic biosoluble... Method and apparatus for an extruded ceramic biosoluble...

2009-07-27

2010-12-21

Vanoy, Timothy C (Department: 1793)

Plastic and nonmetallic article shaping or treating: processes

Outside of mold sintering or vitrifying of shaped inorganic...

Producing article having plural hollow channels

C055S522000, C055S524000, C502S439000, C264S044000, C264S623000, C264S628000, C264S638000, C264S654000, C264S656000

Reexamination Certificate

active

07854881

ABSTRACT:
A porous ceramic substrate is disclosed that is fabricated from biosoluble ceramic fibers. Porosity and permeability of the substrate is provided by intertangled biosoluble fibers, that can be formed into a honeycomb form substrate through an extrusion process. The fibrous structure is formed from mixing biosoluble fibers with additives that include a bonding agent, and a fluid to provide an extrudable mixture. The structure is sintered at a temperature that exceeds the glass formation temperature of the bonding agent, but less than the maximum operational limits of the biosoluble fiber, to form a structure that has sufficient strength and porosity to provide for filtration and/or as a catalytic host.

REFERENCES:
patent: 7486962 (2009-02-01), Zuberi et al.

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