公开(公告)号：EP1773550A2

公开(公告)日：2007-04-18

申请号：EP05778442.3

申请日：2005-08-03

Applicant: CORNING INC.

Inventor： BEALL, Douglas M ,  PETERSON, Irene M ,  THOMPSON, David J

IPC: B28B1/00 ,  C04B35/195

CPC classification number: C04B35/195 ,  C04B35/185 ,  C04B35/6263 ,  C04B35/632 ,  C04B35/6365 ,  C04B2235/3206 ,  C04B2235/3217 ,  C04B2235/3218 ,  C04B2235/3418 ,  C04B2235/3445 ,  C04B2235/3463 ,  C04B2235/3481 ,  C04B2235/349 ,  C04B2235/449 ,  C04B2235/5228 ,  C04B2235/5296 ,  C04B2235/6021 ,  C04B2235/80 ,  C04B2235/96 ,  C04B2235/9607

Abstract: A method for fabricating a ceramic article which includes providing a batch comprising components of (i) a mixture of inorganic raw materials comprising talc, alumina, and silica; (ii) a binder comprising a water-soluble organic binder and a fibrous silicate mineral having a high aspect ratio in combination with a large surface area; and (iii) a polar solvent; mixing the batch components to form a homogenous and plasticized mass; shaping the plasticized mass into a green body wherein the green body has improved strength; and sintering the green body by heating to a temperature and for a time to initiate and sufficiently achieve conversion of the green body into a fired ceramic article.

公开(公告)号：EP1960086A1

公开(公告)日：2008-08-27

申请号：EP06839161.4

申请日：2006-12-07

Applicant: CORNING INC.

Inventor： BEALL, Douglas M ,  HEIBEL, Achim K ,  TAO, Tinghong

IPC: B01D46/24 ,  B01D53/94 ,  B01J37/02 ,  F01N3/025 ,  F01N3/035

CPC classification number: B01D53/944 ,  B01J35/0006 ,  B01J35/04 ,  B01J37/0201 ,  B01J37/0215 ,  F01N3/0222 ,  F01N3/035 ,  F01N2330/06 ,  F01N2330/30 ,  F01N2510/0682 ,  Y02A50/2341

Abstract: A coated diesel exhaust filter is provided that applies a relatively low pressure drop across the exhaust system despite the buildup of soot deposits. The filter includes a porous ceramic structure having an inlet end, an outlet end, and a plurality of gas inlet and gas outlet channels disposed between the inlet and outlet ends, the channels being separated by porous ceramic walls. A catalyst is distributed at least partly within the porous ceramic walls of the structure, and is distributed at a higher concentration within portions of the ceramic walls adjacent to the outlet surfaces than within portions of the ceramic walls adjacent the inlet surfaces. Both the inlet and outlet surfaces are substantially free of the catalyst in order to maintain a gas-conducting porosity in these surfaces. The resulting filter effectively treats nitrogen oxides, carbon monoxide and unburned hydrocarbons present in the exhaust gas stream while advantageously imposing a relatively low pressure drop across the exhaust system even when soot deposits accumulate on the inlet surfaces of the ceramic walls.

公开(公告)号：EP1957180A1

公开(公告)日：2008-08-20

申请号：EP06844406.6

申请日：2006-11-16

Applicant: CORNING INC.

Inventor： BEALL, Douglas M ,  MERKEL, Gregory A ,  THOMPSON, David J

IPC: B01D46/24 ,  C04B35/195 ,  C04B38/00

CPC classification number: B01D39/2068 ,  B01D46/0001 ,  B01D46/2425 ,  B01D46/2429 ,  B01D46/244 ,  B01D46/2444 ,  B01D46/2448 ,  B01D2046/2433 ,  B01D2046/2496 ,  C04B35/195 ,  C04B38/0006 ,  C04B2111/00198 ,  C04B2201/00 ,  C04B2235/3217 ,  C04B2235/3218 ,  C04B2235/322 ,  C04B2235/3222 ,  C04B2235/3418 ,  C04B2235/3445 ,  C04B2235/3463 ,  C04B2235/349 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/656 ,  C04B2235/6562 ,  C04B2235/6567 ,  C04B2235/77 ,  C04B2235/80 ,  C04B2235/96 ,  C04B2235/9607 ,  Y10S55/05 ,  Y10S55/10 ,  Y10S55/30 ,  Y10S264/48 ,  Y10T428/24149 ,  C04B38/0054 ,  C04B38/0067 ,  C04B38/0074

Abstract: A porous cordierite ceramic honeycomb article with increased mechanical strength and thermal shock resistance. The porous cordierite ceramic honeycomb article has MA 2660 wherein MA = 3645 (IA) - 106 (CTE) + 19 (d90) + 17 (%porosity), MT = 4711 (IT) + 116 (CTE) - 26 (d90) - 28 (%porosity), and a CTE 9 x 10-7/°C in at least one direction. A method of manufacturing is also disclosed wherein the inorganic raw material mixture contains talc, an alumina-forming source, a silica-forming source, and 0 - 18 wt. % of a kaolin or calcined kaolin containing not more than 8 wt. % of a fine kaolin source having a median particle diameter of less than 7 µm, wherein the fired porous ceramic cordierite honeycomb article has a porosity