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(11)    Patent No :    AP 2011   
(21)    Application No :    AP/P/2005/003328   
(22)    Filing Date :    03.12.2003   
(24)    Date of Grant &    14.07.2009   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
DE    10256578.3    04.12.2002

(84)    Designated State

BW    GM    GH    KE    LS   MW  MZ   SL   SD
SZ    T Z    UG    ZM    ZW
 
(73) Applicant(s)

BASF AKTIENGESELLSCHAFT, 67056 Ludwigshafen,

Germany

(72) Inventors

BABLER Peter Dr,, Germany

SIEGEL Wolfgang Dr,, Germany

ACHHAMMER Gunther Dr,, Germany

et al

(74) Representative

KAPLAN & STRATTON ADVOCATES
 

(51)  International  Classification   B01J 12/00 (2006.01)    B01J 15/00 (2006.01)
B01J 19/02 (2006.01)   


(54)    Title

Hydrocyanic acid consisting of formamide.

(57)    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, 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.


(56)  Documents Cited :    DE-C-477437

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