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
Generic trademark use. Once it has become an appellative, the word cannot be registered any more; this is why companies try hard not to let their trademark become too common, a phenomenon that could otherwise be considered a successful move since it would mean that the company gained an exceptional recognition. Nintendo is an example of a brand that successfully fought trademark erosion, having managed to replace excessive use of its name by the then-neologism game console. Whether or not a mark is popularly identified as genericized, the owner of the mark may still be able to enforce the proprietary rights that