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:
Jan. 16, 2018
Filed:
Oct. 22, 2015
Applicants:
Allen W. Burton, Stewartsville, NJ (US);
Eugene Terefenko, Center Valley, PA (US);
Inventors:
Allen W. Burton, Stewartsville, NJ (US);
Eugene Terefenko, Center Valley, PA (US);
Assignee:
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY, Annandale, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 39/48 (2006.01); C01B 37/02 (2006.01); C01B 37/00 (2006.01); C01B 39/12 (2006.01);
U.S. Cl.
CPC ...
C01B 39/48 (2013.01); C01B 37/007 (2013.01); C01B 37/02 (2013.01); C01B 39/12 (2013.01);
Abstract
A process for synthesizing a DDR framework-type molecular sieve comprises crystallizing a reaction mixture comprising water, a source of silicon, and a structure directing agent, Q, selected from the group consisting of a methyltropinium salt, a 2,6,N,N-tetramethylpiperidinium salt, a 2,N,N-trimethylpiperidinium salt and mixtures thereof, wherein the reaction mixture has a molar ratio of water to silicon from 5 to 80 and a molar ratio of alkali or alkaline earth metal, M, to silicon less than 0.01.