C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/20 (2006.01) C11D 3/32 (2006.01) C11D 3/33 (2006.01) C11D 3/34 (2006.01) C11D 3/36 (2006.01)
Patent
CA 2739684
A dishwasher detergent composition comprising from 0.05 to 7.5 wt% of a surfactant and from 0.1 to 90 wt% of a compound of Formula 1; wherein R is selected from the group consisting of -H, - CH3, - CnH2n CH3, -CnH2n OH, -CnH2nCOOH, -Cn- H2nSO3H, -CnH2nNH2, -CnH2nNHR', - CnH2nNR'2, -NHC (=0) -R' and -CnH2nPO (OR' ) 2; wherein n>= 1; and R' is H, alkyl or aryl, and further wherein the composition comprises a bleach selected from inorganic peroxy compounds, organic peracids and salts derived therefrom. The compound of Formula 1 is biodegradable, stable to bleach and yet is an effective builder. The compositions of the invention can be readily formulated as tablet compositions if desired as the compound of Formula 1 is not overly hygroscopic.
Linvention concerne une composition détergente pour la vaisselle, comprenant de 0,05 à 7,5% en poids dun tensioactif et de 0,1 à 90% en poids dun composé de la formule 1; dans laquelle R est choisi parmi le groupe consistant en -H, -CH3, -CnH2nCH3, -CnH2nOH, -CnH2nCOOH, -CnH2nSO3H, -CnH2nNH2, -CnH2nNHR', -CnH2nNR'2, -NHC(=0)-R' et -CnH2nPO(OR')2; où n = 1; et R' est H, alkyle ou aryle. La composition comprend en outre, un agent de blanchiment choisi parmi les composés peroxy inorganiques, les peracides organiques et les sels dérivés de ceux-ci. Le composé de formule 1 est biodégradable, stable au blanchiment et est une charge efficace. Les compositions de linvention peuvent être aisément formulées en tablettes si désiré car le composé de la formule 1 nest pas excessivement hygroscopique.
Lingler Steffen
Preuschen Judith
Fetherstonhaugh & Co.
Reckitt Benckiser N.v.
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