Seamless capsule for extermination of harmful insects
US9854809B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 3, 2014 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Oct 3, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01M2200/011
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a seamless capsule for exterminating insect pests, particularly the capsule effective for termites, which hardly affects an ecological system other than the insect pests, such as a human being and domestic animals and useful insects around the human being, has an excellent safety and an excellent transporting rate by insect pests, particularly termites and has an improved exterminating efficiency per number of capsules transported or per unit time, and a method of exterminating insect pests by using the seamless capsule. The present invention relates to a seamless capsule for exterminating insect pests, wherein the seamless capsule imitates an egg of an insect pest and the seamless capsule comprises a content material to be enclosed and a shell film material layer including the content material therein, wherein an active ingredient for exterminating insect pests is contained in the content material and/or the shell film material layer, an egg recognition pheromone is coated on the surface of the seamless capsule, and the seamless capsule has a surface roughness (Ra) of 0.005 to 5 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.