Title:
INK BACKFLOW PREVENTION BODY COMPOSITION FOR WRITING INSTRUMENT
Document Type and Number:
Japanese Patent JP2016124295
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an ink backflow prevention body composition having high practicability excellent in visibility and aging stability, which satisfies backflow prevention performance, ink follow-up performance and shock resistance and, further, can suppress addition of ink to an ink storage cylinder inner wall surface.SOLUTION: An ink backflow prevention body composition made of hardly-volatile liquid and a gelation agent which is arranged on a rear end surface of ink directly stored within an ink storage cylinder of a writing instrument and advances in accordance with consumption of the ink is made by containing Nε-lauroyl-L-lysine less than 3 wt.% in the whole amount of the ink backflow prevention body composition.SELECTED DRAWING: None
Inventors:
OGURA MAMIKO
Application Number:
JP2015255477A
Publication Date:
July 11, 2016
Filing Date:
December 26, 2015
Export Citation:
Assignee:
PILOT CORP
International Classes:
B43K7/02