Catalyst for purifying exhaust and waste gases
US4221768A · kind A · utility
64Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1978 |
| Grant date | Sep 9, 1980 |
| Priority date | — |
| Expiry date | Apr 28, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A catalyst for purifying exhaust and waste gases, which consists essentially of PA1 (A) 30 to 99% by weight of at least one catalytic oxide selected from a binary oxide comprising titanium and silicon and a ternary oxide comprising Ti, Zr and Si, PA1 (B) 1 to 70% by weight of a catalytic oxide comprising at least one element selected from the group consisting of V, W, Mo, U, Cu, Fe, Cr, Mn and Ce, and PA1 (C) 0 to 50% by weight of a catalytic oxide comprising at least one element selected from the group consisting of Sn, Zn, Pb, Ti, Zr, Ni, Co, Nb, Ta, P, Br, Bi, Sb, alkali metals, and alkaline earth metals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.