Ink compositions
US6187082A · kind A · utility
2Cited by
19References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1999 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Mar 30, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink composition comprised of (1) a thiourea with a melting point of from about 60 to about 120.degree. C. and with an acoustic-loss value of from about 25 to about 80 dB/mm, (2) an optional ink carbamate with a melting point of from about 25.degree. C. to about 60.degree. C. and with an acoustic-loss value of from about 5 to about 40 dB/mm, (3) a lightfastness component, (4) a lightfast antioxidant, and (5) a colorant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.