Jet printing ink composition containing an acetylenic compound and a lactone
US4170482A · kind A · utility
21Cited by
2References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 1978 |
| Grant date | Oct 9, 1979 |
| Priority date | — |
| Expiry date | Sep 8, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink composition for use in jet printing comprising an aqueous solution of a water-soluble dye and a humectant consisting of the combination of at least one water-soluble acetylenic compound and the internal anhydride of at least one carboxylic acid in a ratio of 90:1 of the former to 1:90 of the latter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.