Long-lasting disinfestation article and method of manufacture thereof
US10638749B2 · kind B2 · utility
Inventor
Key dates
| Filing date | May 7, 2018 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | May 7, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01M2200/01
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A disinfestation article includes a base, external voids and internal voids formed in the base, pesticidal compound disposed in the external and internal voids. The pesticidal compound disposed in the external void being exposed to a surface of the base. The article may further comprise channels connecting one of the internal voids to one of the external voids. The pesticidal compound contains pesticidal particles selected from pyrethroid family or the like. Also claimed is a method of manufacturing which includes mixing pesticidal particles into a molten polymer material to form a mixture, injecting the mixture into a mold to form a molded part, and cooling the molded part to form said disinfestation article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.