Controlled release of seed and soil treatments triggered by pH change of growing media
US9986738B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2011 |
| Grant date | Jun 5, 2018 |
| Priority date | — |
| Expiry date | Dec 26, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention features a method of improving the growth of a plant, involving applying to a seed or locus thereof a composition comprising an active ingredient and a pH-dependent film-forming polymer, followed by exposing the composition to an appropriate pH to release said active ingredient. The invention further features a seed including a composition having a) an active ingredient; and b) a pH-dependent film-forming polymer. Additionally, the invention features a seed treatment composition that includes a) an agrochemical; b) a pH-dependent film-forming polymer; and c) a seed coating agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.