Felix Hoffmann in 1890 with the pharmaceutical state exam. In 1891 he graduated magna cum laude from the University of Munich. Two years later he earned his doctorate, also magna cum laude, after completing his thesis entitled "On certain derivatives of dihydroanthracene". In 1894, he joined Bayer as a research chemist. On 10 August 1897 Hoffmann synthesized acetylsalicylic acid (ASA) while working at Bayer under Arthur Eichengrün. By combining salicylic acid with acetic acid, he succeeded in creating ASA in a chemically pure and stable form. The pharmacologist responsible for verifying these results was skeptical at first, yet once several large-scale studies
Trademark for marks. One example is the "International Classification of the Figurative Elements of Marks", better known as the Vienna Classification. In most systems, a trademark can be registered if it is able to distinguish the goods or services of a party, will not confuse consumers about the relationship between one party and another, and will not otherwise deceive consumers with respect to the qualities. A trademark may be eligible for registration, or registerable, if it performs the essential trademark function, and has distinctive character. Registerability can be understood as a continuum, with "inherently distinctive" marks at one end, "generic" and