Ink composition for color ink jet recording and recording method with the same
US5749951A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1996 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Apr 18, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A magenta ink composition comprising C.I. Direct Red 227 in an amount of 0.3 to 3.5% by weight, a water-soluble high boiling low volatility organic solvent and water is disclosed. A set comprising the magenta ink composition, a yellow ink composition comprising a 1:3 to 3:1 by weight mixture of C.I. Direct Yellow 86 and C.I. Direct Yellow 132 in an amount of 0.3 to 3.0% by weight and a cyan ink composition comprising at least one of C.I. Direct Blue 86 and C.I. Direct Blue 199 in an amount of 1.0 to 4.0% by weight is also disclosed. An ink jet recording method using the foregoing ink set is further disclosed. The ink composition provides an excellent color reproducibility range and causes no deterioration of printed matter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.