Aqueous dispersion of a metallizable dye and sulfonated aromatic condensate
US4923481A · kind A · utility
3Cited by
3References
15Claims
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Key dates
| Filing date | Dec 16, 1988 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Dec 16, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/924
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Aqueous dispersion of a sulfonated metallizable dye containing PA0 (a) based on the total weight at least 10% of the sulfonated metallizable dye and PA0 (b) a sulfonated condensation product obtained by reacting an aromatic compound having at least two replaceable ring-positioned hydrogen atoms in any desired order with a compound of the formula ##STR1## in which X is a direct bond or oxygen, Hal is chlorine or bromine and n is 1 to 4, and sulfonation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.