Marker pencil
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United States of America Patent
Stats
-
Aug 9, 1994
Grant Date -
N/A
app pub date -
Apr 2, 1993
filing date -
May 19, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A marker pencil comprises a gel-like water-bearing pencil material enclosed in a casing and incorporating a dye carrier. The structure-forming constituents of the pencil material include water-soluble metal soaps and saccharides and/or polyols derived therefrom by reduction. As a further alternative constituent the pencil material may include a fatty substance.
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Family
International Classification(s)
Cited Art Landscape
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