Patent · US Active

Post-treatment of a zeolitic material

US10000387B2 · kind B2 · utility

0Cited by

2References

26Claims

0Family size

Assignee

BASF SE

Inventors

Stefan Maurer · Shanghai, CN
Faruk Oezkirim · Ludwigshafen, DE
Andrei-Nicolae Parvulescu · Ludwigshafen am Rhein, DE
Jeff Yang · Glen Rock, US
Ulrich Mueller · Hamburg, DE

Key dates

Filing date	Oct 9, 2013
Grant date	Jun 19, 2018
Priority date	—
Expiry date	Dec 12, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2229/38
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for the post-treatment of a zeolitic material, the process comprising (i) providing a zeolitic material, wherein the framework structure of the zeolitic material comprises YO2 and X2O3, wherein Y is a tetravalent element and X is a trivalent element; (ii) subjecting the zeolitic material provided in (i) to a method comprising (a) treating the zeolitic material with an aqueous solution having a pH of at most 5, (b) treating the zeolitic material obtained from (a) with a liquid aqueous system having a pH in the range of 5.5 to 8 and a temperature of at least 75° C.; wherein in (ii) and after (b), the zeolitic material is optionally subjected to at least one further treatment according to (a) and/or at least one further treatment according to (b).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.