Method of sealing open ends of ceramic honeycomb structural body

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4568402
SERIAL NO

06482476

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The disclosed method seals preselected open ends of channels of a ceramic honeycomb structural body with cordierite-forming sealing material batch, and fires the honeycomb structural body with the thus sealed ends, so as to convert the sealing material batch into cordierite.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NGK INSULATORS, LTD.NAGOYA2148

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hamanaka, Toshiyuki Suzuka, JP 28 685
Ogawa, Yutaka Nagoya, JP 43 518
Yamada, Shunichi Nagoya, JP 16 363

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Corning Glass Works (1)
* 4297140 Ceramic foam cement 29 1980
 
NGK INSULATORS, LTD. (2)
* 4293357 Method for producing ceramic honeycomb filters 124 1980
* 4340403 Ceramic honeycomb filter 36 1980
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Minnesota Mining and Manufacturing Company (1)
* 4957554 Dimensionally-controlled ceramics 35 1989
 
BASF CORPORATION (2)
* 7854801 Uses of high mullite index calcined kaolin 0 2005
* 2006/0014,879 Uses of high mullite index calcined kaolin 1 2005
 
E. I. DU PONT DE NEMOURS AND COMPANY (1)
* 4814303 Anorthite-cordierite based ceramics from zeolites 13 1987
 
IBIDEN CO., LTD. (2)
7550026 Honeycomb filter 16 2007
* 2007/0169,453 Honeycomb filter 63 2007
 
CORNELL UNIVERSITY (1)
* 2009/0273,105 METHOD AND SYSTEM FOR PERFORMING AN INTERFACIAL REACTION IN A MICROFLUIDIC DEVICE 1 2006
 
Nippondenso Co., Ltd. (1)
* 4632683 Exhaust gas purifying filter and production of the same 48 1985
 
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE (1)
9339754 Adsorber including parallel-passage contactors having built-in insulation 0 2012
 
Corning Glass Works (1)
* 4673658 Cordierite ceramics containing silicon carbide whisker reinforcement 29 1986
 
DUPONT LANXIDE COMPOSITES, L.P. (3)
* 5079064 Thermal shock resistant ceramic honeycomb structures of cordierite, mullite and corundum 20 1990
* 5168092 Catalyst coated thermal shock resistant ceramic honeycomb structures of cordierite, mullite and corundum 4 1991
* 5370920 Process for producing catalyst coated thermal shock resistant ceramic honeycomb structures of cordierite, mullite and corundum 10 1992
 
EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH (1)
* 7981498 Honeycomb body with internal cavities 0 2007
 
CORNING INCORPORATED (8)
* 5409870 Modified cordierite precursors 40 1992
* 2008/0307,760 Low shrinkage plugging mixture for ceramic filter, plugged honeycomb filter and method of manufacturing same 3 2008
8242038 Low thermal expansion high strength honeycomb cement and method therefor 1 2008
8143180 Honeycomb cement with ceramic-forming crystallizable glass and method therefor 1 2008
* 2009/0142,544 Honeycomb Cement With Ceramic-Forming Crystallizable Glass And Method Therefor 0 2008
* 2010/0252,497 COMPOSITIONS FOR APPLYING TO HONEYCOMB BODIES 25 2008
* 8808601 Method for manufacturing ceramic filter 0 2009
* 2009/0295,009 METHOD FOR MANUFACTURING CERAMIC FILTER 5 2009
 
DENSO CORPORATION (1)
* 2006/0249,888 Exhaust gas purifying filter with reinforced peripheral area and method for manufacturing the same 7 2006
 
CUMMINS FILTRATION IP, INC. (2)
* 7806956 Tuning particulate filter performance through selective plugging and use of multiple particulate filters to reduce emissions and improve thermal robustness 3 2007
* 2009/0038,294 Tuning Particulate Filter Performance Through Selective Plugging and Use of Multiple Particulate Filters to Reduce Emissions and Improve Thermal Robustness 5 2007
 
TOKUYAMA SODA KABUSHIKI KAISHA (1)
* 5166107 Process for preparation of anorthite sintered body 6 1988
 
HITACHI METALS, LTD. (2)
* 6827754 Ceramic honeycomb filter 36 2002
* 2003/0093,982 Ceramic honeycomb filter 13 2002
 
NGK INSULATORS, LTD. (15)
* 4818317 Method for producing ceramic honeycomb structural body 8 1987
* 5720787 Exhaust gas purifying filter using honeycomb monolith with random length sealing portions 30 1996
* 7122237 Honeycomb filter and method for manufacturing the same 3 2001
* 7300487 Sealing material, method for sealing honeycomb structure and sealed honeycomb structure 0 2003
* 2005/0115,215 Sealing material, method for sealing honeycomb structure and sealed honeycomb structure 1 2003
* 7497999 Honeycomb structural body, method of manufacturing the structural body, and catalyst body using the structural body 2 2003
* 7297175 Exhaust gas purifying filter 8 2003
* 2004/0198,599 Method of manufacturing honeycomb structural body 2 2004
* 2006/0228,519 Honeycomb structure and method of producing the same 3 2004
* 2005/0129,590 Honeycomb structural body, method of manufacturing the structural body, and catalyst body using the structural body 5 2004
* 7611560 Method of manufacturing plugged honeycomb structure, and plugged honeycomb structure 11 2006
* 2006/0185,335 Method of manufacturing plugged honeycomb structure, and plugged honeycomb structure 16 2006
* 7438966 Honeycomb segment and honeycomb structure using the honeycomb segment 0 2006
* 2007/0059,485 Honeycomb segment and honeycomb structure using the honeycomb segment 1 2006
* 8128723 Partially plug-less DPF 2 2010
* Cited By Examiner