Supercritical noble gases and coloring methods
US8192507B1 · kind B1 · utility
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20Claims
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Key dates
| Filing date | Mar 6, 2012 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Mar 6, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Coloring compositions including, for example, a supercritical fluid comprising a noble gas in a supercritical state and a colorant within the supercritical fluid are disclosed. For example, the noble gas may be at least one of helium, argon, krypton, neon, xenon and radon. Methods of producing such compositions and methods of coloring an article with such composition are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.