C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/33 (2006.01) C11D 1/66 (2006.01) C11D 1/72 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2633735
A mixed powder or mixed granule comprising at least 80% by weight of a mixture of (a) from 5 to 95% by weight of at least one glutamic acid-N,N-diacetic acid derivative of the general formula (I) MOOC-(CH2)2C(COOM)-N(CH2COOM)2 (I) where M is hydrogen, ammonium, alkali metal, (b) from 5 to 95% by weight of at least one polyethylene glycol or of at least one nonionic surfactant or of a mixture thereof or of a polymer selected from the group consisting of polyvinyl alcohols, polyvinylpyrrolidones (PVP), polyalkylene glycols and derivatives thereof, processes for producing these mixed powders or mixed granules, the use of these mixed powders or mixed granules, and a solid laundry detergent and a solid dishwasher detergent comprising the inventive mixed powder or mixed granule are described.
L'invention concerne un mélange de poudres ou un mélange de granulés comprenant au moins 80 % en poids d'un mélange de (a) 5 à 95 % en poids d'au moins un dérivé d'acide glutaminique-N,N-acide diacétique de formule générale (I) MOOC-(CH<SUB>2</SUB>)<SUB>2</SUB>C(COOM)-N(CH<SUB>2</SUB>COOM)<SUB>2</SUB> (I), M représentant l'hydrogène, l'ammonium, un métal alcalin, de (b) 5 à 95 % en poids d'au moins un polyéthylène glycol ou d'au moins un tensioactif non ionique ou un de leurs mélanges ou un polymère choisi parmi l'alcool polyvinylique, le polyvinylpyrrolidone (PVP), le polyalkylène glycol et leurs dérivés. L'invention concerne également un procédé de fabrication de ce mélange de poudres ou de granulés, l'utilisation de ce mélange de poudres ou de granulés, ainsi qu'une lessive solide et un détergent pour vaisselle solide contenant le mélange de poudres ou de granulés selon l'invention.
Kissau Lars
Seebeck Tanja
Basf Se
Borden Ladner Gervais Llp
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