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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9174158 B1

PDFFull Text
Date of Patent:
Nov. 03, 2015

Filed:

Oct. 27, 2010

Cement to make thermal shock resistant ceramic honeycomb structures and method to make them

Applicants:

Aleksander J. Pyzik, Midland, MI (US);

Nicholas M. Shinkel, Bay City, MI (US);

Arthur R. Prunier, Jr., Midland, MI (US);

Janet M. Goss, Saginaw, MI (US);

Kwanho Yang, Midland, MI (US);

Inventors:

Aleksander J. Pyzik, Midland, MI (US);

Nicholas M. Shinkel, Bay City, MI (US);

Arthur R. Prunier, Jr., Midland, MI (US);

Janet M. Goss, Saginaw, MI (US);

Kwanho Yang, Midland, MI (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:

Kevin J. Nilsen

Primary Examiner:

David Sample

Assistant Examiner:

Nicholas W Jordan

Int. Cl.
CPC ...
B01D 46/24 (2006.01); C04B 38/00 (2006.01); C04B 26/28 (2006.01); C04B 35/185 (2006.01); C04B 37/00 (2006.01); C04B 111/00 (2006.01); C04B 111/20 (2006.01); C04B 111/34 (2006.01);
U.S. Cl.
CPC ...
B01D 46/2448 (2013.01); B01D 46/2444 (2013.01); C04B 26/285 (2013.01); C04B 35/185 (2013.01); C04B 37/005 (2013.01); C04B 38/0006 (2013.01); C04B 38/0019 (2013.01); B01D 46/2425 (2013.01); B01D 46/2459 (2013.01); B01D 2046/2433 (2013.01); B01D 2046/2437 (2013.01); B01D 2046/2496 (2013.01); C04B 2111/00793 (2013.01); C04B 2111/2084 (2013.01); C04B 2111/343 (2013.01); C04B 2235/322 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/349 (2013.01); C04B 2235/3463 (2013.01); C04B 2235/3826 (2013.01); C04B 2235/425 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/96 (2013.01); C04B 2237/062 (2013.01); C04B 2237/341 (2013.01); C04B 2237/597 (2013.01); C04B 2237/708 (2013.01); F01N 2330/06 (2013.01); F01N 2330/30 (2013.01); F01N 2450/28 (2013.01); Y10T 428/24149 (2015.01);
Abstract

An improved ceramic honeycomb structure is comprised of at least two separate smaller ceramic honeycombs that have been adhered together by a cement layer comprised of a cement layer has at least two regions of differing porosity or cement layer where the ratio of toughness/Young's modulus is at least about 0.1 MPa·m/GPa.

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