CeleBrate Daily - 27 February 1900 - Felix Hoffman was issued a US patent for the painkiller aspirin. A salicylic acid, the precursor of aspirin, is found in leaves and bark extracts
PPT - Felix Hoffman PowerPoint Presentation, free download - ID:346364
How aspirin was discovered (Felix Hoffmann) - YouTube
Felix Hoffmann • Biografias • Quimicafacil.net
This Day in Patent History - On February 27, 1900, Felix Hoffman patented acetyl salicylic acid aka aspirin - Patent Yogi LLC
Stichtag - 21. Januar 1868: Der Aspirin-Erfinder Felix Hoffmann wird geboren - Stichtag - WDR
Eroin Nasıl İcat Edildi? - Ekşi Şeyler
Felix Hoffmann | Science History Institute
Felix Hoffmann - Inventor of Aspirin? - More than Beer and Schnitzel
Felix Hoffmann - Trivia, Family, Bio | Famous Birthdays
Felix Hoffmann, the Man Who Invented Aspirin and Heroin | OpenMind
Julphar - On this day in 1897, Felix Hoffman found a way to create a stable form of aspirin that was easier and more pleasant to take. Up until then, it was
Felix Hoffmann | Science History Institute
Felix Hoffmann - Vikipedi
Felix Hoffmann - Inventor of Aspirin? - More than Beer and Schnitzel
To Your Health: Take two: Aspirin
Felix Hoffman | Lemelson
Felix Hoffmann, the Man Who Invented Aspirin and Heroin | OpenMind
LON-CAPA Trial
Felix Hoffmann - Personalities of Bayer's History
6 Mart 1899 - Bayer, aspirini ticari bir marka olarak kayıt altına aldı. - Anahtar Emlak
Felix Hoffmann: The Man Who Invented Aspirin And Heroin
Aspirin was first synthesised by the German chemist Felix Hoffman (1868-1946) and introduced to the medical market in 1899 as a relief against pain. I... - SuperStock
Calaméo - Felix Hoffmann - Das Aspirin (2)
