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Home › Stable oil-in-water ink emulsions based upon water-reducible nigrosine dyes for ink-jet printers and felt-tip and roller-ball pens

Stable oil-in-water ink emulsions based upon water-reducible nigrosine dyes for ink-jet printers and felt-tip and roller-ball pens

US Patent 5746815 · Granted May 5, 1998

Estimated economic value: $5,964,000 ⓘ

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