Powder marking agent and marking method
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United States of America Patent
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-
Aug 19, 1980
Grant Date -
N/A
app pub date -
Nov 17, 1977
filing date -
Nov 19, 1976
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A powder marking agent comprising a fine powder which comprises, on a total volume basis, (a) about 48% to about 92% of a thermoplastic linear polyester, (b) about 5 to about 30% of a heat-resistant pigment, and (c) about 2 to about 40% of a fluorine-containing polymer, with the total by volume percent of the heat-resistant pigment (b) and the fluorine-containing polymer (c) being about 45% or less and a marking method which comprises applying the powder marking agent described above onto a metal member in a marking pattern.
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