Process for the fluorescent whitening of hydrophobic textile material with disperse fluorescent whitening agents from super-critical carbon dioxide
US5269815A · kind A · utility
45Cited by
3References
25Claims
0Family size
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Key dates
| Filing date | Nov 13, 1992 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Nov 13, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the fluorescent whitening of hydrophobic textile materials, especially polyesters, wherein the textile material is treated with disperse fluorescent whitening agents in supercritical CO.sub.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.