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US 6,184,192 B2Granted
Chlorinated in-tank toilet cleansing block
AssigneeS. C. Johnson & Son, Inc.
InventorMichael E. Klinkhammer
Life of this patent
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Abstract
Disclosed herein is a toilet cleansing block containing a chlorine releasing agent. A preferred block is formulated with a cellulose ether to prolong life, a dye, and a stabilizer to suppress adverse interactions between the chlorine releasing agent and the cellulose ether, as well as between the chlorine releasing agent and the dye.
Claims5
A water reservoir cleaning block comprising:
- 1% to 6% by weight of chlorine releasing agent selected from the group consisting of chloroisocyanurates;
- at least 2% by weight of stabilizer selected from the group consisting of pine oils;
- a dye;
- 1% to 20% by weight cellulose ether binder;
- and
- at least 10% by weight of an anionic surfactant;
- wherein the chlorine releasing agent, stabilizer, dye, binder, and surfactant are blended together.
4 more elements
Dependencies are inferred from the claim text.