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:
Feb. 11, 2003
Filed:
Feb. 14, 2001
Applicant:
Inventors:
Christian Walsdorff, Ludwigshafen, DE;
Otto Hofstadt, Speyer, DE;
Raimund Felder, Neustadt, DE;
Ruprecht Meissner, Weisenheim, DE;
Klaus Harth, Altleiningen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/370 ; B01J 2/302 ; B01J 2/7122 ; B29D 2/200 ; B32B 1/08 ;
U.S. Cl.
CPC ...
B01J 2/370 ; B01J 2/302 ; B01J 2/7122 ; B29D 2/200 ; B32B 1/08 ;
Abstract
Shaped catalysts for heterogeneously catalyzed reactions are in the form of hollow cylinders or annular tablets whose end faces are rounded both to the outer edge and to the edge of the central hole, i.e. have no right-angled edges.