Dyestuff refining system
US4698151A · kind A · utility
9Cited by
21References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1985 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Nov 6, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0096
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dyestuff refining system of a construction including a dyestuff solution producing unit and a dyestuff solution processing unit which performs chromatographic operations on the dyestuff solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.