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Rudolf Christian Böttger (28 April 1806 – 29 April 1881) was a German inorganic chemist. He conducted most of his research at the University of Frankfurt am Main.He is credited with discovery of nitrocellulose in 1846, independently to Schönbein, and with the synthesis of the first organocopper compound copper(I) acetylide Cu 2 C 2 in 1859.
German-Swiss chemist Christian Friedrich Schönbein created the explosive substance nitrocellulose, or "guncotton", in 1846 by treating cotton fibers with a nitric acid and sulfuric acid mixture. However, guncotton proved to be too fast burning for direct use in firearms and artillery ammunition.
Nitrocellulose film on a light box, showing deterioration, from Library and Archives Canada collection. In 1855, the first human-made plastic, nitrocellulose (branded Parkesine, patented in 1862), was created by Alexander Parkes from cellulose treated with nitric acid and a solvent.
Arthur Eichengrün (13 August 1867 – 23 December 1949) was a German Jewish chemist, materials scientist, and inventor. He is known for developing the highly successful anti-gonorrhea drug Protargol, the standard treatment for 50 years until the adoption of antibiotics, and for his pioneering contributions in plastics: co-developing (with Theodore Becker) the first soluble cellulose acetate ...
Doctor of medicine: ... Ludwig Brieger (1849–1919, Glatze (now Klodzko, Poland)) was a German physician, pathologist, and chemist. [2] Biography
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Collodion is a flammable, syrupy solution of nitrocellulose in ether and alcohol. There are two basic types: flexible and non-flexible. The flexible type is often used as a surgical dressing or to hold dressings in place. When painted on the skin, collodion dries to form a flexible nitrocellulose film.
Helferich was voted into the German Academy of Sciences and was made an honorary doctor of the University of Stuttgart. Between 1911 and his retirement in 1974 he authored over 300 academic papers. His most famous student was Reinhard W. Hoffmann (b. 1933), professor of chemistry at Philipps-Universität Marburg .