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. 26, 1996
Filed:
Jul. 21, 1995
Applicant:
Inventors:
Assignee:
DSM Chemie Linz GmbH, Linz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544192 ; 544201 ;
Abstract
A process for preparing cyanuric acid by cooling an isocyanuric acid/ammonia gas mixture having a temperature of 300.degree. to 480.degree. C. to 200.degree.-300.degree. C., whereupon cyanuric acid is separated off and isolated at this temperature in an apparatus suitable for separating solids from gases, and unreacted isocyanuric acid/ammonia gas mixture is recycled or further processed.