Manufacturing method of coloring and lustering substance
US6517589B1 · kind B1 · utility
0Cited by
11References
5Claims
0Family size
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Key dates
| Filing date | Nov 14, 2000 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Feb 22, 2021 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/2066
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.