Liquid fertilizer comprising thiosulfate
US12030827B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2019 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Nov 11, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G5/23
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an aqueous liquid fertilizer composition having a 4 wt % to 30 wt % nitrogen content and 8 wt % to 27 wt % sulfur content comprising more than 20 wt % ammonium thiosulfate, calculated as dry matter, and at least 2 wt %, calculated as dry matter, of one other compound selected from the group consisting of a sulfite, bisulfite, urea-triazone compound and zinc sulfate hexahydrate or mixtures thereof, wherein the composition has a salt out temperature of about 0 C or less as measured with the FFF-method. The aqueous liquid fertilizer composition of the present invention can have an amount of sulfur of about 21 wt % or higher, for example 22-26 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.