Company News, Patents

• US Patent No. 8,227,400 B2; S.C. Johnson has patented a substrate that can actively dispense a volatile air treatment chemical upon being heated. The substrate is comprised of granular sand particles adhered together to form a body having a network of pores and volatile air treatment chemical disposed in the pores. The substrate has a first end and a second opposed end; and the average size of the granular particles adjacent the first end is sufficiently less than an average size of the granul...

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