C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/27
C11D 3/33 (2006.01) C11D 3/20 (2006.01) C11D 17/00 (2006.01)
Patent
CA 1290218
Abstract Detergent compositions comprising an organic synthetic detergent and N-polyalkyleneglycol-N,N-diacetic acid as a non- phosphorous detergency builder. They avoid the environmental problems of detergent phosphates. The novel detergency builder has the formula Image wherein each R is selected from the group consisting of ethylene and propylene; n is a number from 2 to about 8; and each M is either hydrogen or a salt-forming cation.
547379
Kirby Eades Gale Baker
The Procter & Gamble Company
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