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:
Sep. 11, 1979
Filed:
Mar. 27, 1978
Applicant:
Inventors:
Augustinus P Schouteten, Maastricht, NL;
Marinus JA.M. Den Otter, Munstergeleen, NL;
Assignee:
Stamicarbon, B.V., Geleen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544192 ;
Abstract
An improved process for the manufacture of cyanuric acid by heating a reaction solution of urea, biuret or mixtures thereof in a solvent and stripping the reaction solution with an inert auxiliary stripping gas. The inert auxiliary stripping gas is characterized as having a boiling point which ranges between that of ammonia and the reaction temperature at the reaction pressure.