C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/22 (2006.01) C02F 5/10 (2006.01) C02F 5/12 (2006.01) C11D 1/62 (2006.01) C11D 1/94 (2006.01) C11D 3/20 (2006.01) C23G 1/02 (2006.01) C23G 1/08 (2006.01)
Patent
CA 2182677
Aqueous compositions for removing limescale on hard surfaces are disclosed which comprise maleic acid, a surfactant or mixtures thereof and an acid selected from the group of citric acid, succinic acid or mixtures thereof, whereby the shine to the surface treated is improved. Said compositions are suitable to descale my hard-surfaces, including metal surfaces, as well as appliances.
Cette invention se rapporte à des compositions aqueuses, qui peuvent servir à enlever le tartre se trouvant sur des surfaces dures et qui comprend à cet effet de l'acide maléique, un tensio-actif ou des mélanges de ces constituants, ainsi qu'un acide choisi dans le groupe composé de l'acide citrique, de l'acide succinique ou de mélanges de ceux-ci, les surfaces ainsi traitées devenant plus brillantes. De telles compositions sont appropriées pour détartrer toutes les surfaces dures, y compris les surfaces métalliques et les appareils ménagers.
Dimock Stratton Llp
The Procter & Gamble Company
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