Ship bottom paint using coal ash and diatomaceous earth

Details Ship bottom paint using coal ash and diatomaceous earth Ship bottom paint using coal ash and diatomaceous earth

2006-05-23

2006-05-23

Green, Anthony J. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

C106S482000, C106S483000, C106S681000, C106S706000, C424S078090, C424S093510, C424S600000, C424S682000

Reexamination Certificate

active

07048788

ABSTRACT:
A ship bottom paint additive to prevent or reduce marine life attachment to the bottoms of ships, and ship bottom paint comprises a mixture of coal ash and diatom earth or beer yeast diatom earth wherein the coal ash is preferably fly ash and the diatom earth or beer yeast diatom earth is preferably a dry powder. The additive is a mixture may have a weight ratio within the range of about 3:1 to 7:1, and may be comprised of about 2.25–10% by weight coal ash and about 0.375–5% by weight diatom earth or beer yeast diatom earth.

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