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. 14, 1995
Filed:
Sep. 08, 1994
Applicant:
Inventors:
Johannes Lercher, Vienna, AT;
Zhan Zhaoqui, Enschede, NL;
Assignee:
Chemie Linz GmbH, Linz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01C / ;
U.S. Cl.
CPC ...
423365 ; 423236 ; 544192 ;
Abstract
Process for preparing isocyanic acid by bringing cyanuric acid into contact with an aluminum catalyst at temperatures of from 300.degree. to 600.degree. C. and isolating the isocyanic acid formed or directly using it for further reaction.