Urea fertilizer compositions comprising rice hulls and methods of use
US9663412B2 · kind B2 · utility
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14References
22Claims
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Key dates
| Filing date | Mar 17, 2016 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Mar 17, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G3/60
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions comprising urea containing fertilizer (e.g., urea fertilizers or urea formaldehyde reaction product fertilizers such as urea-formaldehyde fertilizer or methylene urea fertilizers) and rice hulls, as well as methods of making and using such compositions are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.