Process for making cyanuric acid
US4587334A · kind A · utility
0Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 28, 1985 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Jan 28, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D251/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.