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.:
Date of Patent:
Dec. 18, 2007
Filed:
Jan. 10, 2007
Gregory A. Merkel, Painted Post, NY (US);
Tinghong Tao, Big Flats, NY (US);
Gregory A. Merkel, Painted Post, NY (US);
Tinghong Tao, Big Flats, NY (US);
Corning Incorporated, Corning, NY (US);
Abstract
A diesel particulate filter having a honeycomb body composed of cordierite and exhibiting a CTE (25-800° C.) of less than 13×10/° C.; a median pore diameter, d, of less than 25 μm; % porosity not less than 53%; and a narrow pore size distribution wherein a value of dd)/dis not greater than 0.6; and a value of dless than 40 μm wherein d, and dare pore diameters at 10% and 90% of the pore size distribution on a volumetric basis, and d<d<d. The particulate filter preferably exhibits a plugged, wall-flow honeycomb filter body composed of cordierite and having a plurality of parallel end-plugged cell channels traversing the body from a frontal inlet end to an outlet end thereof.