Granular fertilizer coated with decomposable coating film and process for producing the same
US6500223B1 · kind B1 · utility
52Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1999 |
| Grant date | Dec 31, 2002 |
| Priority date | — |
| Expiry date | Aug 13, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G5/37
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coated granular fertilizer which comprises a degradable film containing 10% by weight or more of a polyolefin and/or petroleum wax having a weight-average molecular weight of 300-10,000 and an inorganic filler and/or a surface active agent and a granular fertilizer coated with said degradable film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.