Biodegradable controlled release amylaceous material matrix
US5741521A · kind A · utility
48Cited by
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49Claims
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Key dates
| Filing date | May 30, 1995 |
| Grant date | Apr 21, 1998 |
| Priority date | — |
| Expiry date | May 30, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G5/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A biodegradable or digestible matrix is provided suitable for use as a controlled release of an agriculturally active agent such as insecticides, fungicides, fertilizers, plant growth regulants, etc. The matrix comprises an amylaceous material optionally in association with a synthetic polymer and is formed under elevated temperature and pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.