Patent · US Active

Compositions and methods for improving the hydrothermal stability of mesostructured zeolites by rare earth ion exchange

US8524625B2 · kind B2 · utility

25Cited by

158References

13Claims

0Family size

Assignee

Rive Technology, Inc. · US

Inventors

Lawrence B. Dight · Wall, US
Javier Garcia-Martinez · Requena, ES
Ioulia Valla · Sturbridge, US
Marvin M. Johnson · Bartlesville, US

Key dates

Filing date	Jan 8, 2010
Grant date	Sep 3, 2013
Priority date	—
Expiry date	Oct 13, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2229/36
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Compositions and methods for preparing mesostructured zeolites having improved hydrothermal stability. Such mesostructured zeolites can be prepared by subjecting a zeolite to rare earth ion exchange prior to and/or subsequent to introducing mesoporosity into the zeolite.

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