BIODEGRADABLE MARKER PEN
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United States of America Patent
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Issued Date -
Jul 11, 2024
app pub date -
Jan 9, 2024
filing date -
Jan 10, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A biodegradable marker pen including a barrel, a cap, and an ink reservoir. The barrel has a hollow cylindrical structure, the ink reservoir is placed in the barrel, and the cap is detachably coupled with the barrel hermetically. The barrel, the cap, and the ink reservoir comprise 2 to 10 mass percentage of a biodegradable masterbatch respectively.
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Family
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Cited Art Landscape
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