Patent ID: 6211128
Filing Date: 2001-04-03
Classification: C11D,E03D

Abstract:
A shaped, elongated solid toilet bowl cleaning composition, comprising:about 20 to 80% by weight of a chelating agent;about 5 to 50% by weight of a surfactant;N-acyl,N,N,N' ethylene diamine triacetic acid as a dissolution rate reducer, and optionally, a dissolution rate enhancer, in an amount sufficient for controlling the rate of dissolution of said solid composition in water, wherein said shaped, elongated solid toilet bowl cleaning composition is formed into an elongated element having a longitudinal axis, two ends, and an erodable surface having a cross-sectional shape and a surface area, whereby said cross-sectional shape allows said erodable surface to maintain a substantially constant surface area as said erodible surface is eroded.