Recording process and a recording liquid thereof
US4597794A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1984 |
| Grant date | Jul 1, 1986 |
| Priority date | — |
| Expiry date | Jul 3, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S260/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In an ink-jet recording process which comprises forming droplets of an ink and recording on an image receiving material by using the droplets, said ink is prepared by dispersing fine particles of pigment into aqueous dispersion medium containing polymer having both a hydrophilic and a hydrophobic construction portion. An average particle size (D micron) of the pigment and an average molecular weight of the polymer satisfy the relationship represented by the following equation. EQU D.times.5.times.10.sup.2 .ltoreq.W And the ratio of molecular weight of the pigment to average molecular weight of the polymer is a value in the range from 1:2 to 1:150.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.