Sustained release pesticide compositions and process for making same
US4244729A · kind A · utility
14Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1976 |
| Grant date | Jan 13, 1981 |
| Priority date | — |
| Expiry date | Jun 8, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N25/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A sustained release composition is disclosed which provides an improved carrier for an organic pesticide. The improved carrier is a reversibly swellable lignin gel made by cross-linking an alkali lignin with epichlorohydrin using particular conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.