The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 2018
Filed:
Sep. 25, 2015
Allen W. Burton, Stewartsville, NJ (US);
Karl G. Strohmaier, Port Murray, NJ (US);
Scott J. Weigel, Allentown, PA (US);
Allen W. Burton, Stewartsville, NJ (US);
Karl G. Strohmaier, Port Murray, NJ (US);
Scott J. Weigel, Allentown, PA (US);
EXXONMOBILE RESEARCH AND ENGINEERING COMPANY, Annandale, NJ (US);
Abstract
A method for reducing the level of occluded alkali metal cations from an MSE-framework type molecular sieve comprises either (a) contacting the molecular sieve with a solution containing ammonium ions at a temperature of at least about 50° C. to ammonium-exchange at least part of the occluded potassium ions or (b) contacting the molecular sieve with steam at a temperature of at least about 300° C. and then subjecting the steamed molecular sieve to ammonium exchange.