TIL In 1898, 'Heroin' was trademarked by Bayer (German pharmaceutical). After losing WW1, they lost the trademark to some nations in the Treaty of Versailles. 'Heroin' today has lost its trademark status entirely, having been 'genericized.'

TIL In 1898, 'Heroin' was trademarked by Bayer (German pharmaceutical). After losing WW1, they lost the trademark to some nations in the Treaty of Versailles. 'Heroin' today has lost its trademark status entirely, having been 'genericized.'
Original source. (Via r/todayilearned.)
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