Lavatory bowl rim-block

Abstract

The present invention encompasses a lavatory bowl rim-block dispensing a solution comprising gellan gum onto a lavatory bowl surface.

What is claimed is:  
     
         1 . A lavatory bowl rim-block comprising: at least one liquid composition; and a dispenser, said dispenser comprising at least one container and a dispensing means connected to said container(s) for dispensing said liquid composition onto a lavatory bowl surface; 
 wherein said liquid composition comprises gellan gum.    
     
     
         2 . A lavatory bowl rim-block according to  claim 1 , wherein said dispenser additionally comprises an attachment means, preferably said dispenser additionally comprises an attachment means and a supporting structure.  
     
     
         3 . A lavatory bowl rim-block according to  claim 2 , wherein said attachment means attaches said dispenser to the rim of a lavatory bowl or suspends said dispenser from said rim, preferably said attachment means is a hook to suspend said dispenser from the rim of a lavatory bowl.  
     
     
         4 . A lavatory bowl rim-block according to  claim 1 , wherein said liquid composition comprises from about 0.001% to about 1%, preferably from about 0.005% to about 0.5%, more preferably from about 0.001% to about 0.2% by weight of the total composition of gellan gum.  
     
     
         5 . A lavatory bowl rim-block according to  claim 1 , wherein said liquid composition is a thickened composition, preferably a fluid gel.  
     
     
         6 . A lavatory bowl rim-block according to  claim 1 , wherein said liquid composition additionally comprises a chelant.  
     
     
         7 . A lavatory bowl rim-block according to  claim 6 , wherein said chelant is selected from the group comprising phosphonate chelants, amino carboxylate chelants, other carboxylate chelants, polyfunctionally-substituted aromatic chelants, ethylenediamine N,N′-disuccinic acids, or mixtures thereof; preferably a phosphonate chelant or a mixture thereof, more preferably selected from the group consisting of ethane 1-hydroxy diphosphonates (HEDP) or salts thereof, alkylene poly (alkylene phosphonate), amino phosphonate compounds, including amino aminotri(methylene phosphonic acid) (ATMP), nitrilo trimethylene phosphonates (NTP), ethylene diamine tetra methylene phosphonates, and diethylene triamine penta methylene phosphonates (DTPMP) and mixtures thereof.  
     
     
         8 . A lavatory bowl rim-block according to  claim 6 , wherein said chelant is ethane 1-hydroxy diphosphonate (HEDP) or a salt thereof.  
     
     
         9 . A lavatory bowl rim-block according to  claim 6 , wherein said liquid composition comprises up to about 5% by weight of the total composition of a chelant.  
     
     
         10 . A lavatory bowl rim-block according to  claim 1 , wherein said liquid composition additionally comprises a silicone polymer.  
     
     
         11 . A lavatory bowl rim-block according to  claim 10 , wherein said silicone polymer is a silicone glycol polymer.  
     
     
         12 . A lavatory bowl rim-block according to  claim 10 , wherein said silicone polymer is a linear or grafted silicone glycol polymer according to the following formulae:  
       
         
           
           
               
               
           
         
       
       wherein: each R 1  independently is a hydrocarbon radical; R 2  is a group bearing a polyether functional group; n is an integer of from 0 to about 500; and for the grafted structure m is an integer of from about I to about 300, and preferably with n+m more than 1.  
     
     
         13 . A lavatory bowl rim-block according to  claim 10 , wherein said liquid composition comprises up to about 50% by weight of the total composition of said silicone glycol polymer.  
     
     
         14 . A lavatory bowl rim-block according to  claim 1 , wherein said liquid composition additionally comprises a nonionic surfactant or mixtures thereof.  
     
     
         15 . A lavatory bowl rim-block according to  claim 14 , wherein said liquid composition comprises up to about 50% by weight of the total composition of a nonionic surfactant or mixtures thereof.  
     
     
         16 . A process of cleaning a lavatory bowl surface with a lavatory bowl rim-block comprising: at least one liquid composition; and a dispenser, said dispenser comprising at least one container and a dispensing means connected to said container(s) for dispensing said liquid composition onto a lavatory bowl surface; wherein said liquid composition comprises gellan gum; and wherein said process comprises the step of applying said liquid composition onto said lavatory bowl surface.  
     
     
         17 . A process of cleaning a lavatory bowl surface according to  claim 16 , wherein said application of said liquid composition onto a lavatory bowl surface is done upon flushing said lavatory bowl surface with water.