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:
Oct. 06, 2009
Filed:
Aug. 17, 2004
Volker Diehl, Ellerstadt, DE;
Steffen Rissel, Kirchheim, DE;
Silke Berndt, Mannheim, DE;
Mark Duda, Ludwigshafen, DE;
Knut Eger, Limburgerhof, DE;
Markus Hoelzle, Kirchheim, DE;
Veron Nsunda, Namur, BE;
Volker Diehl, Ellerstadt, DE;
Steffen Rissel, Kirchheim, DE;
Silke Berndt, Mannheim, DE;
Mark Duda, Ludwigshafen, DE;
Knut Eger, Limburgerhof, DE;
Markus Hoelzle, Kirchheim, DE;
Veron Nsunda, Namur, BE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A method of charging a vertical tube having an internal diameter of 50 mm or less with catalyst particles, which comprises introducing a filling aid into the vertical tube, where the filling aid comprises a flexible elongated body and the ratio of the cross section of the flexible elongated body to the cross section of the tube is from 0.003 to 0.08, and introducing the catalyst particles into the tube.