Color pencil lead

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United States of America Patent

PATENT NO 9856387
SERIAL NO

15119018

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Importance

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Abstract

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Provided is a color pencil lead which is excellent in a hue, a light resistance and a strength and can be erased with an eraser and which is suited to pencil leads for mechanical pencils and wooden pattern holder pencils. The above color pencil lead is characterized by containing a resin in which a dye is dissolved or included in a pencil lead body.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI PENCIL COMPANY LIMITEDTOKYO 140-8537

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Banzai, Satoru Fujioka, JP 11 13

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