Manufacturing method of coloring and lustering substance
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United States of America Patent
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Feb 11, 2003
Grant Date -
N/A
app pub date -
Nov 14, 2000
filing date -
Nov 14, 2000
priority date (Note) -
Expired
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Abstract
The present invention provides a novel manufacturing method for coloring and lustering substance, especially suitable for coloring and lustering a carbonizable substance, without using pigments or dyes. The method utilizes the relationship between heat, gas and time to allow a substance to directly form and change color. The color-forming or color-changing phenomena is due to the natural quantity change effects caused by the heat, gas and time, which comprises at least one kind of color, color series or color and luster change.
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