Slow release nitrogen coating
US6900162B2 · kind B2 · utility
25Cited by
92References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2003 |
| Grant date | May 31, 2005 |
| Priority date | — |
| Expiry date | Apr 24, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S47/09
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coated aggregate material for enhancing the extended delivery of nitrogen needed for plant development and growth, the coated aggregate material having a slow release (extended-release) nitrogen coating of a particulate UF polymer adhered to the aggregate material with an adhesive binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.