Free-flowing, non-dusting water dispersible granules having low friability and superior crush strength which are capable of forming stable suspensions in water without deleterious foaming
US5817319A · kind A · utility
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5References
7Claims
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Key dates
| Filing date | Nov 18, 1992 |
| Grant date | Oct 6, 1998 |
| Priority date | — |
| Expiry date | Nov 18, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N25/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A free-flowing, non-dusting water dispersible granule of an active agricultural chemical having low friability and effective crush strength for delivery to a desired site as a stable suspension in water, without deleterious foaming, which granule includes about 1-25% by weight thereof of a binder which is a copolymer of (a) polyvinylpyrrolidone and (b) a comonomer selected from a C.sub.4 -C.sub.30 alkene and vinyl acetate, and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.