What characterized the shift from Melitta's initial blotting paper to the final commercial version of the filter?
Answer
It transitioned to a specialized, round, porous paper designed specifically for coffee filtration
While the first iteration used repurposed blotting paper, the commercially successful version utilized a specialized, round, porous paper engineered specifically for the purpose of coffee filtration, showing a commitment to quality improvement.

#Videos
The Woman Who Invented the Coffee Filter | Melitta Bentz - YouTube
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