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US 5,328,633 AGranted
Extended-release plaque preventing and dissolving compositions
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorsMichael A. Hasting, Geoffrey A. Lindsay, Michael A. Gustavson
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Abstract
A soluble, extended-release composition containing a benign acidic agent preventing and dissolving plaque build-up in pipes on board a ship which is not environmentally harmful. The composition can be manufactured into a self-contained, safe to use unit which is easy to dispense, easy to monitor, and leaves no waste product to be manually disposed of.
Claims9
An extended-release composition for removing and preventing plaque formation, comprising:
- 50% weight %-95 weight % benign acidic agent;
- and
- 5 weight %-50 weight % extended-release binder,
- wherein said benign acidic agent is comprised of one or more carbon based acids chosen from the group consisting of citric acid, tartaric acid, and polyacrylic acid, and
- wherein said extended release binder is comprised of poly(ethylene glycol) and poly(ethylene oxide).
2 more elements
An extended-release composition for removing and preventing plaque formation, comprising:
- 50 weight %-95 weight % benign acidic agent;
- and
- 5 weight %-50 weight % extended-release binder,
- wherein said benign acidic agent is a mixture of one or more carboxylic acids which are of a salubrious nature, being safe to handle, safe to the user, innocuous to the elements of the system in which they are used, and unharmful and nontoxic to the environment, and
- wherein said extended release binder is comprised of poly(ethylene glycol) and poly(ethylene oxide).
2 more elements
Dependencies are inferred from the claim text.