Great Lakes Chemical Corporation

Biolab Services, Inc.

Christopher L Reed

Tian Lan

John P Garris

Thomas M Lachocki

P Kirk Mitchell

Michael Engram

A method of providing a solid oxidizer to a tank of water, while also providing a way to indicate when it is time to add more oxidizer. The preferred method includes providing the solid oxidizer in the form of an oxidizer shell with a coloring agent disposed therein. The coloring agent is substantially color stable when stored in the oxidizer shell, and the oxidizer shell is formed and shaped to enclose the coloring agent in a manner in which the coloring agent is prevented from dispersing into the water until the oxidizer shell is substantially dissolved.

Solid oxidizer with dissolution indicator

Dry, stable, high available halogen sanitizing granular compositions with a rapid rate of dissolution comprising halogenated 1,3,5-triazine-2,4,6-triones and a dissolution accelerant that is an alkali metal salt of 1,3,5-triazine-2,4,6-trione are disclosed. The disclosed compositions may include inorganic and/or organic disintegration agents. Additionally, these compositions may contain other performance enhancing additives such as water clarifiers, algaestats/algaecides, surfactants, glidants, processing aids, and binders. These UV stable sanitizing compositions contain a high available halogen content, and are stable even when stored in high-humidity environments.

Stable, high available halogen 1,3,5-triazine-2,4,6-trione compositions having rapid dissolution rates

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Loganville, GA, United States of America

Christopher L Reed