C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
195/33.3
C11D 3/386 (2006.01) C11D 1/83 (2006.01) C11D 3/28 (2006.01) C11D 3/30 (2006.01) C11D 3/37 (2006.01) C11D 1/14 (2006.01) C11D 1/29 (2006.01) C11D 1/72 (2006.01)
Patent
CA 1336895
Heavy duty liquid laundry detergent compositions containing synthetic anionic and ethoxylated nonionic surfactant, detergency builder, specific proteolytic enzyme, an enzyme stabilization system, and water are disclosed. The compositions have a pH in a 10% by weight solution in water at 20°C of between about 7.0 and 9.0, a Critical Micelle Concentration of less than or equal to about 200 ppm, and an air/water Interfacial Tension above the Critical Micelle Concentration of less than or equal to about 32 dynes/cm at 35°C in distilled water. The compositions are preferably clear, homogeneous, stable, and provide good cleaning performance, particularly through-the-wash on enzyme-sensitive stains.
599421
Showell Michael Stanford
Wertz William Conrad
Kirby Eades Gale Baker
Showell Michael Stanford
The Procter & Gamble Company
Wertz William Conrad
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