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:
May. 06, 1986
Filed:
Jan. 28, 1985
Applicant:
Inventor:
Werner Pieper, Kerpen, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544192 ;
Abstract
The disclosure relates to a process for making granulated cyanuric acid. To this end, the disclosure provides for cyanuric acid granules having the particle size targeted for the final product to be used as feed material, for the said feed material, urea and water to be used in a ratio by weight of 1.5-3:1:0.04-0.08 and to be made into a preliminary mixture, and for the mixture to be allowed to stand over a period of 10 to 20 hours prior to heating it with continuous agitation to temperatures of 270.degree. to 340.degree. C. over as long a period as necessary to effect the condensation of the urea to cyanuric acid.