In-tank toilet cleansing block

Details In-tank toilet cleansing block In-tank toilet cleansing block

C - Chemistry, Metallurgy

11

D

C11D 3/37 (2006.01) C11D 1/22 (2006.01) C11D 3/40 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2280035

Disclosed herein is a toilet cleansing block containing a polyacrylate polymer and a lauryl benzene sulfonate salt surfactant. The block is essentially free of other polymers that sequester ions. The block is for immersion in toilet tanks, and inhibits toilet bowl ring and stain formation, particularly those caused by iron oxide.

L'invention concerne un bloc de nettoyage pour cabinets contenant un polymère de polyacrylate et un tensioactif à base de sel sulfonique de laurylbenzène. Le bloc est essentiellement exempt d'autres polymères qui séquestrent les ions. Destiné à être immergé dans le réservoir de chasse d'eau des cabinets, il inhibe la formation d'anneaux et de tâches sur le pourtour de la cuvette des cabinets, en particulier les anneaux ou tâches imputables à l'oxyde de fer.

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