Catalyst – solid sorbent – or support therefor: product or process – Miscellaneous
Reexamination Certificate
2004-12-13
2010-12-21
Nguyen, Cam N (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Miscellaneous
C502S251000, C502S252000, C502S263000, C502S304000, C502S407000, C502S415000
Reexamination Certificate
active
07855162
ABSTRACT:
The present invention provides a needle-shaped ceramic body and needle-shaped ceramic catalyst body in which a base material is a high specific surface area porous cordierite body that is stable at high temperatures, and also provides methods of producing this needle-shaped ceramic body and needle-shaped ceramic catalyst body. The present invention relates to a needle-shaped ceramic body and needle-shaped ceramic catalyst body in which a base material is a high temperature-stable, high specific surface area porous cordierite body comprising a porous structure having a prescribed porosity and formed of a needle-shaped cordierite crystal phase, and further relates to methods of producing this needle-shaped ceramic body and needle-shaped ceramic catalyst body, and by using porous cordierite constituted of needle-shaped crystals as a catalyst-supporting honeycomb structure, the present invention is able to inhibit sintering-induced reduction in the specific surface area. Since a honeycomb can be directly produced as the cordierite sinter itself, an inexpensive product can be provided through the simplifying the prior-art step of coating the interior of the honeycomb.
REFERENCES:
patent: 5158916 (1992-10-01), Claussen
patent: 5258150 (1993-11-01), Merkel et al.
patent: 5656203 (1997-08-01), Mikeska
patent: 6468325 (2002-10-01), Cutler et al.
patent: 6638568 (2003-10-01), Baecker et al.
patent: 6811868 (2004-11-01), Hasegawa et al.
patent: 6858563 (2005-02-01), Suzawa et al.
patent: 7129193 (2006-10-01), Ito et al.
patent: 7183236 (2007-02-01), Hase et al.
patent: 7223716 (2007-05-01), Koike et al.
patent: 7358210 (2008-04-01), Tanaka et al.
patent: 2002/0039964 (2002-04-01), Tanaka et al.
patent: 2003/0022788 (2003-01-01), Tanaka et al.
patent: 2003/0092567 (2003-05-01), Tanaka et al.
patent: 2003/0092569 (2003-05-01), Koike et al.
patent: 2003/0171217 (2003-09-01), Koike et al.
patent: 2003/0224933 (2003-12-01), Kondo et al.
patent: 2003/0228457 (2003-12-01), Hasegawa et al.
patent: 2004/0092395 (2004-05-01), Hase et al.
patent: 2006/0178265 (2006-08-01), Kita et al.
patent: 49 129704 (1974-12-01), None
patent: 52 105587 (1977-09-01), None
patent: 63 103877 (1988-05-01), None
patent: 2001 310128 (2001-11-01), None
patent: 2002 172329 (2002-06-01), None
patent: 2004 298709 (2004-10-01), None
Daniel Doni Jayaseelan
Kanzaki Shuzo
Kita Hideki
Koike Kazuhiko
Kondo Naoki
Denso Corporation
National Institute of Advanced Industrial Science and Technology
Nguyen Cam N
Nippon Soken Inc.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
LandOfFree
Needle-shaped ceramic body, needle-shaped ceramic catalyst... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Needle-shaped ceramic body, needle-shaped ceramic catalyst..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Needle-shaped ceramic body, needle-shaped ceramic catalyst... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4188344