Toxin containing perforated antifouling polymer nozzle grommet

Details Toxin containing perforated antifouling polymer nozzle grommet Toxin containing perforated antifouling polymer nozzle grommet

1990-02-07

1991-05-14

Dawson, Robert A.

Liquid purification or separation

Structural installation

Geographic

43124, 114222, 239602, 239DIG19, 422 6, 422240, B63B 5900

Patent

active

050153722

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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"Corrosion Technology"-Corrosion Notebook section, Mar. 1965, Article-The ny Faces of Tm, 422-426.
"Polypropylene", Reinhold Publishing Corp. N.Y., 1960, pp. 10,13, 192,193,196-200.
"Plastic Fasteners", Industrial Fasteners Institute, vol. 10, No. 2, May 10, 1955, Silas S. Cathcart.
"Teflon Tetrafluoroethylene Resin Dispersion", Lontz and Happoldt, Industrial and Engineering Chemistry, vol. 44, No. 8, Aug. 1952.

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