Patent ID: 9205362
Filing Date: 2015-12-08
Classification: B01D,B28B,C04B

Abstract:
1. A method of manufacturing a particulate filter, the method comprising: providing a green cellular ceramic body comprising a binder material, first and second ends, and a plurality of channels that run between the first and second ends; plugging at least some of the channels only at the first end of the green cellular ceramic body with a green plugging material comprising a liquid vehicle to form a partially plugged green cellular ceramic body, firing the partially plugged green cellular ceramic body to form a partially plugged ceramic article; and after said firing, plugging at least some of the channels on the second end of the partially plugged ceramic article with a plugging material that sets at a temperature of less than 1000° C., wherein the binder of the green cellular ceramic body is insoluble in the green plugging material.