Anti-abrasion ink additives containing reduced amounts of polytetrafluoroethylene and inks containing such additives
US6409811B1 · kind B1 · utility
6Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2000 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Feb 20, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An anti-abrasion additive for ink formulations includes sintered polytetrafluoroethylene in a reduced amount; a petrolatum; and a high melting point microcrystalline wax. The additive, when dispersed in an ink, provides the ink with good slip, abrasion resistance, low misting, and mar resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.