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:
Nov. 23, 2004
Filed:
Aug. 10, 2001
Applicant:
Inventors:
Johannes Petrus Verduijn, late of Oostvoorne, NL;
Machteld Maria Wilfried Mertens, Boortmeerbeek, BE;
Wilfried Jozef Mortier, Kessel-Lo, BE;
Marcel Johannes Janssen, Kessel-Lo, BE;
Cornelis Wilhelmus Maria Van Oorschot, Brasschaat, BE;
David E. W. Vaughan, State College, PA (US);
Assignee:
ExxonMobil Chemical Patents, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/902 ;
U.S. Cl.
CPC ...
C01B 3/902 ;
Abstract
Crystalline molecular sieve particles of a size suitable for use as seeds in molecular sieve manufacture are obtained by washing larger particle sized product to dislodge smaller particles from the larger.