Ink compositions and preparation
US4883714A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 1989 |
| Grant date | Nov 28, 1989 |
| Priority date | — |
| Expiry date | Jan 9, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous printing ink or its semi-aqueous or non-aqueous concentrate exemplified as comprising a substantially homogeneous system of the components: PA1 (1) from about 4 to about 80 weight % of one or more polyester materials having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-sodiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 40 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof; PA1 (2) from about 1 to about 60 weight % of pigment material; PA1 (3) from substantially none to about 90 weight % of water; and PA1 (4) from about 0.05 to about 30.0 weight % of polyvinyl alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.