C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/33 (2006.01) C11D 1/83 (2006.01) C11D 3/00 (2006.01)
Patent
CA 2157463
Detergent compositions containing coventional detergent surfactants, detergent builders, and the like, and a chelant selected from ethylenediamine-N,N'-diglutaric acid (EDDG) and 2-hydroxypropylenediamine-N,N'-disuccinic acid (HPDDS) are disclosed. Such compositions provide enhanced removal of organic stains, such as food and beverage stains. The EDDG and HPDDS are biodegradable and contain no phosphorus.
Kirby Eades Gale Baker
The Procter & Gamble Company
LandOfFree
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