| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 04.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Compn comprised of vehicle, acidic pigment & N,N'-bis(ami nopropyl)ethylene diamine; ink having pH 8.8-9.2 - High viscosity prior to shear (5-200 centipoise at shear rate 25/sec) - Low viscosity during shearing (1-10 centipoise during shea ring at 150/sec) - High viscosity after shearing (5-200 centipoise) |
| PATENT PHOTOCOPY | Available on request |
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