C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3
C11D 3/06 (2006.01) C11D 3/43 (2006.01) C11D 17/00 (2006.01)
Patent
CA 1178160
LIQUID HARD-SURFACE CLEANER ABSTRACT Homogeneous liquid hard surface cleaning detergents are comprised of surfactant, hydrotrope, 10.1-19% sequestering builder, and 6-15% of solvent having a molar volume below about 200 cm.3/gm.mol and Hansen's solubility parameters as follows: polarity parameter from zero to about 3.5 (cal./cm.3)1/2 and hydrogen bonding parameter from zero to about 6(cal./cm.3)1/2. For solvents whose parameters are below about 2, an auxiliary solvent is often needed for solubilization in the formula. A preferred solvent is diethylene glycol mono-n-butyl ether. Cleaning performance at these concurrent high levels of builder and solvent is outstanding, especially for bathroom surfaces such as tubs and walls.
385586
Burns Michael E.
Compton Donald B.
Diez Ricardo
Fraser Neil D.
Kirby Eades Gale Baker
The Procter & Gamble Company
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