C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/68 (2006.01) C02F 1/00 (2006.01) C02F 1/58 (2006.01)
Patent
CA 2171236
The present invention is directed to a method of detoxifying water containing quaternary ammonium compounds to the extent that aquatic life such as fish and macroinvertebrates are protected. The method comprises adding to an aqueous system including a quaternary ammo- nium compound a sufficient quantity of a de-oiled lecithin. De-oiled lecithin is a mixture of phosphatides with about 2% or less residual oil.
Petrille Joseph C. III
Werner Michael W.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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