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:
Aug. 12, 2014
Filed:
May. 09, 2008
Thomas Schaefer, Buettelborn, DE;
Robert Weber, Alsbach-Haehnlein, DE;
Udo Gropp, Bad Endorf, DE;
Thomas Mertz, Bensheim, DE;
Thomas Schaefer, Buettelborn, DE;
Robert Weber, Alsbach-Haehnlein, DE;
Udo Gropp, Bad Endorf, DE;
Thomas Mertz, Bensheim, DE;
Evonik Röhm GmbH, Darmstadt, DE;
Abstract
A reactor for preparing hydrogen cyanide by the Andrussow process is provided. The reactor comprises at least one gas inlet which opens into a gas inlet region, an outlet for the reaction products and a catalyst, wherein at least one mixing element and at least one gas-permeable intermediate layer are within the reactor between the gas inlet region and the catalyst. The mixing element is arranged between the gas inlet region and the gas-permeable intermediate layer. A process for preparing HCN, in the reactor is also provided.