Combination algae killer and surface stain remover

Details Combination algae killer and surface stain remover Combination algae killer and surface stain remover

2007-12-06

2010-10-12

Richter, Johann R (Department: 1616)

Plant protecting and regulating compositions

Plant growth regulating compositions

Plural active ingredients

C510S199000

Reexamination Certificate

active

07811971

ABSTRACT:
A stain removal formula includes a combination of a bromide donor, a salt of sulfamic acid; and a salt of phosphoric acid. Preferred formulas include effective amounts of sodium bromide, sodium sulfamic acid, sodium hexametaphosphate, disodium phosphate, and tetrasodium pyrophosphate. In a swimming pool, preferred formulas are effective in resolving algae stain within a 2 hour period, which represents at least an order of magnitude greater efficacy than prior art formulations. In addition, preferred formulas provide ongoing effectiveness in suppressing bacterial, fungal and/or algae growth.

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patent: WO 99/62339 (1999-12-01), None
patent: WO 2007/023481 (2007-03-01), None

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