Process for the crystallization of non-sucrose substances

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United States of America Patent

PATENT NO 6821339
APP PUB NO 20030131784A1
SERIAL NO

10181280

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Abstract

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The invention relates to a process for the crystallization of substances having a narrow metastable supersaturation zone. In the process the saturation of a solution is gradually increased and the solution is seeded for the crystallization. The seeding is performed at a seeding point which is selected in response to a signal received from said process indicating imminent or initial spontaneous nucleation. The process provides a good crystal yield and a crystalline product having a uniform crystal structure and a narrow crystal size distribution.

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Patent Owner(s)

  • FINNFEEDS FINLAND OY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eriksson, Kristian Turku, FI 3 37
Nurmi, Juha Kirkkonummi, FI 34 493
Virtanen, Jouko Kantvik, FI 6 43

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