Patent No. US 6,676,954 B2: Rohm and Haas Co., Philadelphia, PA, research-ers patented a non-aqueous liquid composition with a low water-soluble 3-isothiazolone, a high surface area-activated carbon and an organic solvent carrier. The composition provides controlled release of the 3-isothiazolone compound.
Rohm and Haas Patents Controlled Release Item
Published November 15, 2005
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