Prilling method
US7175684B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1999 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Dec 21, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G5/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A prilling method comprising the steps of: providing a molten first component, mixing at least a second component with the molten first component, reacting the components to form a shear-thinnable mixture; and prilling the shear-thinnable mixture wherein the prilling comprises mechanically agitating in the prill head to shear thin the shear-thinnable mixture sufficiently to permit prilling. The inventive method can be used to produce fertilizer product comprising ammonium sulfate nitrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.