Water based ink compositions using organic acid
US4421561A · kind A · utility
8Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1982 |
| Grant date | Dec 20, 1983 |
| Priority date | — |
| Expiry date | Sep 28, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/909
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Organic carboxylic acid containing from 2 to 12 carbon atoms and having at least two carboxyl groups or at least one carboxyl group and one amino or hydroxy group or anhydride or halide of such acid is used in making aqueous, foam-growth-controlling printing ink composition for use in chemical embossing of heat-foamable and expandable resinous materials such as polyvinyl chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.