C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 17/18 (2006.01) C09K 17/20 (2006.01) C09K 17/22 (2006.01) E02B 3/12 (2006.01) E02D 19/16 (2006.01)
Patent
CA 2598894
This invention relates to a method of seepage control which comprises contacting a soil surface with a composition comprising anionic copolymers and a surfactant. This invention provides a method of seepage control for irrigation ditches, drainage ditches, farm ponds, feeder canals, golf course water features, park ponds and lakes, lagoons, and the like.
La présente invention concerne un procédé de contrôle d~infiltrations qui comprend la mise en contact d~un sol de surface avec une composition comprenant des copolymères anioniques et un agent tensioactif. La présente invention concerne également un procédé de contrôle d'infiltrations pour des fossés d'irrigation, des fossés de drainage, des petits étangs fermiers, des canaux d~alimentation, des étendues d~eau de terrains de golf, des étangs et des lacs de parcs, des lagons et similaires.
Putnam John M.
Wernsmann William R.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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