MTW-type zeolite and its preparation process
US5350722A · kind A · utility
9Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1992 |
| Grant date | Sep 27, 1994 |
| Priority date | — |
| Expiry date | Aug 20, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/33
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to a synthetic crystalline zeolite of the MTW type, characterized by: PA0 a) the following approximate general formula: EQU M.sub.2/n O, Al.sub.2 O.sub.3, xSiO.sub.2 PA0 in which M represents a metal cation and/or proton, n is the valency of M and x is a number between 14 and 800, PA0 b) a X-ray diagram shown in table I of the description, PA0 c) a fluorine content between approximately 0.005 and 2% by weight, said zeolite having been synthesized in a fluoride medium and accompanied by stirring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.