Fertilizers pelletized with hydrated sulfates
US4487624A · kind A · utility
2Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1983 |
| Grant date | Dec 11, 1984 |
| Priority date | — |
| Expiry date | Nov 21, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05D5/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention disclosed relates to the manufacture of compressed fertilizer pellets for dispensing sulfur and magnesium and at least one of the essential elements selected from nitrogen, potassium and phosphorous, the pellets are formed by compressing a compound containing at least one of the essential elements with a hydrated magnesium sulfate containing at least four moles of water of hydration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.