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Sensient Unveils New Dye-Purifying Technology

September 8, 2005

Sensient Technical Colors, LLC has announced the use of new technology in purifying dye solutions to ink jet-grade quality for the ink jet printer market. Sensient employs a combination of technologies in dye purification to remove inorganic salts and some insolubles. The company’s expertise in processing dyes is characterized by the use of ultrafiltration/reverse osmosis, ion exchange and cartridge filtration technologies in its processes. Sensient has also developed a new technology to improve filterability of the dye. This process can remove 99.9 percent of the insolubles as well as some organic impurities from the dye.

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