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. 13, 2007
Filed:
Dec. 03, 2003
Peter Bassler, Viernheim, DE;
Wolfgang Siegel, Limbugerhof, DE;
Guenther Achhammer, Mannheim, DE;
Anton Negele, Deidesheim, DE;
Helmuth Menig, Friedelsheim, DE;
Wilhelm Ruppel, Mannheim, DE;
Peter Zehner, Ludwigshafen, DE;
Hermann Luyken, Ludwigshafen, DE;
Volker Vogt, Wachenheim, DE;
Peter Bassler, Viernheim, DE;
Wolfgang Siegel, Limbugerhof, DE;
Guenther Achhammer, Mannheim, DE;
Anton Negele, Deidesheim, DE;
Helmuth Menig, Friedelsheim, DE;
Wilhelm Ruppel, Mannheim, DE;
Peter Zehner, Ludwigshafen, DE;
Hermann Luyken, Ludwigshafen, DE;
Volker Vogt, Wachenheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing hydrocyanic acid (HCN) by catalytic dehydration of gaseous formamide in a reactor which has an internal reactor surface made of a steel comprising iron and chromium and nickel, and also to a reactor for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide, which reactor has an internal reactor surface made of a steel comprising iron and chromium and nickel, and also to the use of the reactor of the present invention in a process for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide.