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:
Jul. 02, 2002
Filed:
Mar. 23, 2000
Applicant:
Inventors:
Steven M. Kuznicki, Whitehouse Station, NJ (US);
Tadeusz W. Langner, Linden, NJ (US);
Jacqueline S. Curran, Cranford, NJ (US);
Valerie A. Bell, Edison, NJ (US);
Assignee:
Engelhard Corporation, Iselin, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/902 ; C01B 3/914 ; C01B 3/918 ; C01B 3/922 ;
U.S. Cl.
CPC ...
C01B 3/902 ; C01B 3/914 ; C01B 3/918 ; C01B 3/922 ;
Abstract
The present invention relates to a method of forming an aluminosilicate zeolite having a Si/Al≦1.1. The method comprises forming a reaction mixture by mixing a source of silica, and a source of aluminum in an aqueous alkaline solution having a pH of at least 12.0, wherein the Si/Al of said mixture is greater than 1.0.