Controlled release system for insect attractant
US4947578A · kind A · utility
37Cited by
14References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 1989 |
| Grant date | Aug 14, 1990 |
| Priority date | — |
| Expiry date | Jun 16, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01M2200/012
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A controlled release system for volatile liquid insect attractant compositions can be formed from a container having an aperture closed by a membrane, wherein the dimensions of the container, the dimensions of the aperture, the nature of the membrane, the liquid level, and vapor space within the container are conformed to produce an effective attractant release rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.