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. 20, 2004
Filed:
Jun. 20, 2000
Applicant:
Inventors:
Frank Heindl, Rodenbach, DE;
Eckehart Roland, Hartsdale, NY (US);
Elke Kossel, Limeshain, DE;
Oliver Feuer, Maintal, DE;
Assignee:
Grace GmbH & Co. KG, Worms, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/906 ; B01J 2/904 ;
U.S. Cl.
CPC ...
B01J 2/906 ; B01J 2/904 ;
Abstract
Zeolite granulates having improved abrasion resistance, obtained by spraying the zeolite granulates with an aqueous silica sol solution and then optionally drying and calcining them.