Biocide impregnated fiber-reinforced sponge material
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United States of America Patent
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May 22, 2001
Grant Date -
N/A
app pub date -
Mar 31, 1999
filing date -
Oct 18, 1996
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Abstract
The present invention relates to a regenerated cellulose based sponge material with an inner viscose fiber reinforcement having a staple fiber length of 5-50 mm and impregnated with a biocide agent. Also disclosed is a regenerated cellulose based sponge material with an inner cotton fiber reinforcement having a staple fiber length of 5-50 mm and impregnated with a biocide agent. The coagulation and regeneration takes place in a bath that has a pH of 13 or higher and which includes Glauber's salt, NaOH and water.
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