Formed zeolite honeycomb article and fired zeolite honeycomb article
US9023454B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2011 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Dec 1, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24149
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A formed zeolite honeycomb article comprises a formed article obtained by extruding a zeolite raw material containing zeolite particles, an inorganic binding material and a filler constituted of plate-like particles in a honeycomb shape including partition walls disposed to form a plurality of cells, a drying shrinkage of the partition walls in a thickness direction thereof is larger than a drying shrinkage of the partition walls in a cell extending direction thereof and a drying shrinkage of the partition walls in a diametric direction perpendicular to the cell extending direction thereof, and the drying shrinkage of the partition walls in the thickness direction thereof is 1.2 or more times the drying shrinkage of the partition walls in the diametric direction perpendicular to the cell extending direction thereof in the formed zeolite honeycomb article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.