In-tank toilet cleansing block having polyacrylic acid/acrylate
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United States of America Patent
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Jan 26, 1999
Grant Date -
N/A
app pub date -
Feb 11, 1997
filing date -
Feb 11, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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.
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