Stable soil release promoting enzymatic liquid detergent...

Details Stable soil release promoting enzymatic liquid detergent... Stable soil release promoting enzymatic liquid detergent...

C - Chemistry, Metallurgy

11

D

195/33.2

C11D 17/08 (2006.01) C11D 3/00 (2006.01) C11D 3/26 (2006.01) C11D 3/37 (2006.01) C11D 3/386 (2006.01)

Patent

CA 1294234

STABLE SOIL RELEASE PROMOTING ENZYMATIC LIQUID DETERGENT COMPOSITION ABSTRACT OF THE DISCLOSURE: A stable soil release promoting enzymatic primarily nonionic liquid detergent composition comprises a synthetic organic nonionic detergent, an anionic sulf(on)ated synthetic organic detergent, a particular type of soil release promot- ing copolymer of polyethylane teraphthalate (PET) and polyoxy- ethylene terephthalate (POET), a proportion of enzyme(s) sufficient to enzymatically hydrolyze proteinaceous and/or amylaceous soils on fabrics during washing thereof with an aqueous washing solution of the liquid detergent, a fluores- cent brightener, a stabilizing proportion of a stabilizer for the enzyme(s), which also acts as a buffer for the liquid detergent composition to maintain the pH in a certain neutral or slightly acidic range to stabilize the PET - POET copolymer end the fluorescent brightener, and an aqueous medium. The described composition is non-separating and is chemically stable on storage. It substantially retains its soil hydrolyzing, fluorescent brightening and soil release promoting charecteristics on storage, so that laundry washed with it is effectively cleaned, brightened, and treated. Also within the invention are processes for manufacturing the product and for utilizing it to wash laundry.

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