Creosote name is derived . The two main kinds recognized in industry are coal-tar creosote and wood-tar creosote. The coal-tar variety, having stronger and more toxic properties, has chiefly been used as a preservative for wood; coal-tar creosote was also formerly used as an escharotic, to burn malignant skin tissue, and in dentistry, to prevent necrosis, before its carcinogenic properties became known. The wood-tar variety has been used for meat preservation, ship treatment, and such medical purposes as an anaesthetic, antiseptic, astringent, expectorant, and laxative, though these have mostly been replaced by modern formulations. Varieties of creosote have also been made
Tyrolean shale oil Tyrol in Seefeld area were used from 1350 until 1964. In 1902, Martin Albrecht, a collector of minerals, discovered oil shale deposits on the shore of Lake Achen at Pertisau; his family still exploits and markets the oil. Tyrolean shale oil has always been an integral part of Tyrolean medicine. The shale oil contains bound sulfur, which exerts its effect in shale oil. Long before the oil refinery, the oil of the Alps, the "black gold", was already used for tar, light oil (naphtha), impregnation of wood fences, as waterproofing for roofs and asphalt roads. Due to the low yield,