Opaque ink jet ink composition
US7279511B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2002 |
| Grant date | Oct 9, 2007 |
| Priority date | — |
| Expiry date | Feb 9, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are opaque ink jet ink compositions and a method of printing that produce messages having a good contrast on darkly colored substrates, particularly darkly colored glass substrates, and that do not smear or degrade when exposed to moisture and/or hot and cold humid conditions, or when exposed to ice water or water under sterilizing conditions. The ink jet ink compositions comprise one or more organic solvents, one or more white pigments, one or more hydrophobic conductive agents, and one or more binder resins. In an embodiment of the ink jet ink composition, at least one binder resin comprises an acrylic or styrene acrylic resin. In another embodiment, the ink jet ink composition is free of polyamines. The ink jet ink composition may also include a glass adhesion promoter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.