Dry heat process for dyeing and printing organic material which can be dyed with cationic dyestuffs
US4057388A · kind A · utility
9Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 1976 |
| Grant date | Nov 8, 1977 |
| Priority date | — |
| Expiry date | Apr 12, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31996
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In a dry heat process for dyeing and printing of organic material which can be dyed with cationic dyestuffs, the improvement wherein at least one transferable salt of a cationic dyestuff with an acid having a pK.sub.s value greater than 3 is used for dyeing and printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.