Chemical pellets for aquatic attack protection belt
US4933187A · kind A · utility
Inventor
Key dates
| Filing date | Aug 17, 1989 |
| Grant date | Jun 12, 1990 |
| Priority date | — |
| Expiry date | Aug 17, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C2009/0088
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A belt including a pair of opposite layers of sheet material and subdivided into a series of pockets for receiving pellets of shark-repulsive chemical. One of the pellets is untreated so as to dissolve in water relatively quickly, another of the pellets is impregnated with water soluble glue, another of the pellets is coated with the glue while a fourth of the pellets is coated with epoxy for preventing water application to the chemical of the pellet until the pellet is manually broken.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.