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:
Oct. 18, 2016
Filed:
Apr. 09, 2013
Unizeo Co., Ltd., Tokyo, JP;
The University of Tokyo, Tokyo, JP;
UniZeo Co., Ltd., Tokyo, JP;
The University of Tokyo, Tokyo, JP;
Abstract
Provided is a method that is for producing a PAU zeolite and that can have an environmental impact that is reduced while, as much as possible, not using a structure-defining agent. The method for producing a PAU zeolite produces by means of (1) mixing a silica source, an alumina source, an alkali source, and water in a manner so as to result in a reaction mixture having a composition represented by a specific mole ratio, (2) using as the seed crystal a PAU zeolite that does not contain organic compounds and has a SiO/AlOratio of 4-15 and an average particle size of at least 100 nm, and adding same to the reaction mixture at a ratio of 0.1-20 wt % with respect to the silica component in the reaction mixture, and (3) subjecting the reaction mixture to which the seed crystal has been added to sealed-vessel heating at 80-200° C.