Cast pellets for planting seeds
US10798869B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 31, 2011 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Aug 6, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C1/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Cast pellets containing plants seeds and methods of making the cast pellets are described. The cast pellets include a mixture of one or more plant seeds and a setable, flowable casting substance. The casting substance can be a thermoplastic or another material such as plaster, polyacrylamide or a derivative thereof, polyacrylic acid, a melt processable starch, wax, polyvinyl alcohol, glyceride, partial glyceride, or mixtures thereof. The mixture can additionally contain other substances, such as fillers, plant growth regulators, insecticides, fungicides, bactericides, fertilizers, microorganisms, or mixtures thereof. The seeds can be of the same or different species, and can be selected to have, for example, the same or different flower colors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.