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. 21, 2000
Filed:
Sep. 03, 1998
Martin Foerster, Budingen, DE;
Ewald Dittrich, Grosskrotzenburg, DE;
Gerhard Birtigh, Nidderau, DE;
Walter Leibold, Steinau, DE;
Bernd Mergner, Rheinfelden, DE;
Michael Hoffmann, Rochester, MI (US);
Wolfgang Hasselmann, Port Elizabeth, ZA;
Robert Schafer, Grenzach, DE;
Degussa-Huls Aktiengesellschaft, Frankfurt, DE;
Abstract
A process for the coating of the flow channels of a cylindrical, honeycomb form catalyst carrier with a dispersion coating through filling of the vertically oriented flow channels with a fill quantity of the coating dispersion through the bottom face of the catalyst carrier and subsequent downward emptying and clearance extraction of the flow channels, as well as drying and calcination of the catalyst carrier, by the following steps: