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:
Sep. 17, 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 3/918 ; C01B 3/928 ; C01B 3/922 ;
U.S. Cl.
CPC ...
C01B 3/902 ; C01B 3/918 ; C01B 3/928 ; C01B 3/922 ;
Abstract
This invention relates to zeolitic molecular sieve compositions and hybrid zeolite-silica compositions characterized by novel morphology in which the zeolite is present as macroscopic aggregates of microcrystalline zeolite. The zeolitic compositions of this invention have outstanding capability to complex multivalent cations, especially calcium due to the high exchange kinetics of the microcrystalline zeolite component and yet have the ease of handling due to the macroscopic aggregate assemblage.