Toxin containing perforated antifouling polymer nozzle grommet
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United States of America Patent
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May 14, 1991
Grant Date -
N/A
app pub date -
Feb 7, 1990
filing date -
Feb 7, 1990
priority date (Note) -
Expired
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Abstract
An apparatus and method for the elimination of marine fouling of marine mechanisms such as underwater fluid distribution emission systems. A grommet nozzle made of plastic materials containing an antifoulant and having a capability of easy installation forms a basic part of the apparatus. The grommet nozzle of the invention is formed of a polymer or a mixture of polymers containing a material toxic to calcareous marine organisms and capable of release of the toxic material into the environment at such a rate that the marine organisms grow extremely slow, yet the release rate is not sufficiently fast to be a toxic hazard to the surrounding environment.
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