Patent Model - Improvement in Purifying Salicylic Acid by Dialysis
Maker and role
Ernst Schering (German, b.1824, d.1899), Patentee
Production date
Oct 16 1877
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Object detail
Media/Materials
Wood
Measurements
2 1/2 x 8 x 5 1/2" (6.4 x 20.3 x 14cm)
Description
Schering's patent "relates to a novel process of obtaining dialysed or purified salicylic acid..." His objective is to "obtain a chemically-pure salicylic acid" which he names "Acidum salicylieum dialysatum." (Patent Number 196,254)
Collection
Object number
2015.14.2452a-c
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