Highly concentrated bromine compositions and methods of...

Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Elemental chlorine or elemental chlorine releasing inorganic...

Reexamination Certificate

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C210S755000, C210S764000, C424S722000, C424S723000

Reexamination Certificate

active

07455859

ABSTRACT:
Liquid and solid bromine-containing compositions are described. A liquid mixed halogen composition is also described. The highly concentrated liquid compositions and the high-activity solid compositions have excellent physical and chemical stability. The compositions are effective biocides in water treatment. Methods of preparing the compositions are also disclosed. These include combining a bromine compound in the oxidation state of −1 with hydrogen peroxide and a complexing agent followed by the addition of an alkaline source. The methods may further include the use of a solid organic or solid inorganic halogenating agent, conducting a solid-liquid separation, and adding an alkaline source.

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