Patent · US Expired

Chemical pellets for aquatic attack protection belt

US4933187A · kind A · utility

8Cited by
4References
2Claims
0Family size

Inventor

Key dates

Filing dateAug 17, 1989
Grant dateJun 12, 1990
Priority date
Expiry dateAug 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.