Ink production system
US4664815A · kind A · utility
10Cited by
21References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1985 |
| Grant date | May 12, 1987 |
| Priority date | — |
| Expiry date | Oct 30, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D15/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An ink production system constructed with a dyestuff solution producing unit, a dyestuff solution processing unit by execution of chromatographic operations on the dyestuff solution, and an ink preparation unit to effect preparation of ink with the refined dyestuff solution as discharged from the processing unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.