EP EP2905075A1
Provided is a honeycomb structure which is suppressed in the occurrence of cracks and hydration degradation, while maintaining excellent NOx removal performance of SAPO. A honeycomb structure having a honeycomb unit that comprises two zeolite species and an inorganic binder, and that has a plurality of through holes arranged side by side with a partition wall therebetween to be extended in the longitudinal direction of the unit. This honeycomb structure is characterized in that one of the two zeolite species is silicoaluminophosphate (SAPO) having a composition ratio Si/(Si + Al + P) of 0.1-0.25, and the other is aluminosilicate (CHA) having a composition ratio Si/Al of 2-10.
A document turning up in a search is not the same as a document that anticipates your claims. Our registered Patent Agents read the claims, not just the abstract, and tell you where you still have room.
Protect Your InventionBibliographic data via the European Patent Office's Open Patent Services (DOCDB) — republished here for research and prior-art review. This page is not legal advice, and its presence in our index says nothing about the validity or enforceability of the document. For the Indian legal position — status, oppositions, renewals — see InPASS.