Water based ink compositions using organic acid
US4369065A · kind A · utility
13Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 29, 1981 |
| Grant date | Jan 18, 1983 |
| Priority date | — |
| Expiry date | Jun 29, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/82
- 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.