Printed article and method
US5972085A · kind A · utility
12Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1997 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Mar 28, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/36
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to the use of shellac as the binder in an ink composition to reduce the problems of sweating when the ink is applied to a soft gelatin surface. Preferably, the shellac is at leat partially neutralised by a volatile base, for example ammonia, to render the shellac water soluble so that a water and/or alcohol liquid carrier medium may be used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.