Catalytic filter based on silicon carbide (β-SiC) for combustion of soot derived from exhaust gases from an internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 20, 2009
Grant Date -
Jul 21, 2005
app pub date -
Oct 14, 2004
filing date -
Oct 16, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
/g and with at least two zones A and B with a different cellular porosity distribution, wherein the parts were made by chemical transformation of a porous precursor medium comprising at least two blocks A′ and B′, each having a different cellular porosity distribution, and in that the at least two zones A and B are derived from the chemical transformation of the two blocks A′ and B′. This foam, optionally after deposition of an active layer, may be used as a filter medium in cartridges designed for the purification of exhaust gases. The invention also relates to manufacturing processes for preparing such a filter medium.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully