C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.11
C11D 1/722 (2006.01) C11D 3/00 (2006.01) C11D 3/37 (2006.01)
Patent
CA 1323279
ABSTRACT OF THE DISCLOSURE: Narrow range ethoxylate nonionic detergents, in combination with soil release promoting polyethylene tere- phthalate-polyoxyethylene terephthalate (PET-POET) copolymer (in place of broad range ethoxylate nonionic detergent and PET-POET copolymer) are of significantly and unexpectedly improved soil release promoting activity in built synthetic organic detergent compositions, of either particulate solid or liquid types. The improved soil release promoting activity is most pronounced when the laundry to be washed and treated is subjected to repeated launderings with the invented composi- tions in cold water and when it includes certain synthetic fibrous materials. Such result is highly beneficial and unexpected, and is especially significant with respect to polyester, polyester-cotton blends and nylon fabrics, such as those of mechanics' clothing that has been stained by dirty motor oil and by similar soils containing particulate carbon in a lipophilic base.
574077
Buda Charles
Ciallella Loretta Kathleen
Holland Richard James
Colgate-Palmolive
Smart & Biggar
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