High nitrogen liquid fertilizer
US7513928B2 · kind B2 · utility
6Cited by
28References
27Claims
0Family size
Inventors
Key dates
| Filing date | Oct 13, 2006 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Apr 13, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention is directed to liquid fertilizer composition having a high nitrogen content comprising an aqueous mixture of a urea-formaldehyde resin and a nitrogen fertilizer source selected from the group consisting of urea, ammonium nitrate, and a mixture of urea and ammonium nitrate, wherein the liquid fertilizer possess surprisingly depressed freeze points and salt-out temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.