Salicylic acid the product with sulfuric acid gives salicylic acid: It can also be prepared by the hydrolysis of aspirin (acetylsalicylic acid) or methyl salicylate (oil of wintergreen) with a strong acid or base. Hippocrates, Galen, Pliny the Elder and others knew that willow bark could ease pain and reduce fevers. It was used in Europe and China to treat these conditions. This remedy is mentioned in texts from ancient Egypt, Sumer and Assyria. The Cherokee and other Native Americans used an infusion of the bark for fever and other medicinal purposes. In 2014, archaeologists identified traces of salicylic acid on 7th
Trademark distinctiveness connection with sodium chloride. A generic term is not capable of serving the essential trademark function of distinguishing the products or services of a business from the products or services of other businesses, and therefore cannot be afforded any legal protection. This is because there has to be some term which may generally be used by anyone—including other manufacturers—to refer to a product without using some organization's proprietary trademark. Marks which become generic after losing distinctive character are known as genericized trademarks. Marks which are a misspelling of a generic term (e.g., the elimination of a space) do not change