Proactive Investors Australia Alexium holds patent applications for a process developed by the U.S Department of Defense that enables water proofing , oil proofing, anti-microbial and UV protection. Its products under development include textiles, paints, ... Alexium's Cleanshell ...
Yankton Daily Press Evidence exists that cultures east of the Missouri River were using it as a water-proofing agent as early as 8,000 B.C. The Chumash or southern California used and traded asphalt so extensively that some archaeologists have deemed them to have an ...
