Lavatory cleansing block

Details Lavatory cleansing block Lavatory cleansing block

C - Chemistry, Metallurgy

11

D

134/3.11

C11D 17/00 (2006.01) C11D 3/37 (2006.01)

Patent

CA 1196248

Abstract of the disclosure Improved lavatory cleansing blocks of the "naked" type and a process for preparing such blocks are disclosed. The lavatory cleansing blocks comprise as a solid carrier base a mixture comprising a major proportion of a nonionic sur- face-active compound and a minor proportion of a partially esterified copolymer of vinylmethyl ether and maleic anhy- dride (PVM/MA). The lavatory cleansing blocks, which have improved solu- bility characteristics, a satisfactory gelling/swelling property for good sticking to the bottom of the cistern and a specific gravity of amply above 1, are used for im- mersion in the water of the cistern of lavatory bowls or urinals.

409794

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