C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/00 (2006.01) C11D 3/10 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) C11D 11/00 (2006.01)
Patent
CA 2198353
A method of substantially removing an organic restriction from a drain pipe by introducing to a drain a cleaning composition which, when activated with water, contacts substantially all the interior surfaces of the pipe to be treated and improves the flow rate of the pipe by at least about 0.7 liters/min. over a 16 hour period. This method is effective for both clogged and slow-running drains.
Procédé d'élimination des matières organiques obstruant un tuyau d'écoulement consistant à introduire dans un drain une composition nettoyante, laquelle, lorsqu'elle est activée par de l'eau, vient au contact sensiblement de toutes les surfaces intérieures du tuyau à traiter, et améliore le débit du tuyau d'au moins environ 0,7 litres/min pendant une durée de 16 heures. Ce procédé est efficace pour des drains à la fois bouchés et dont l'écoulement est lent.
Gipp Mark M.
Steer Frank J.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
S.c. Johnson & Son Inc.
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