System and methods for addition of beneficial agricultural, biological, and/or dedusting additives to granular fertilizers
US10654759B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2014 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Sep 1, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G5/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods and related systems for conditioning of granular fertilizers post-manufacture to reduce the generation of dust during handling, transport, and storage of the fertilizers, and/or to increase the agricultural benefits of the fertilizer. The method includes introducing a quantity of an aqueous conditioning agent, such as by spraying, to a plurality of fertilizer granules. The aqueous conditioning agent can include one or more beneficial agricultural and/or dedusting additives including one or more acidifying agents, one or more drying agents, one or more herbicides and/or pesticides, one or more chelating agents, one or more biological agents, and combinations thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.