Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01D
SEPARATION
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B01D2009/0086
Processes or apparatus therefor
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B01D2009/009
Separation of organic compounds by selective or extractive crystallisation with the aid of auxiliary substances forming complex or molecular compounds, e.g. with ureum, thioureum or metal salts
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B01D2009/0095
with the aid of other complex forming substances than ureum, thioureum or metal salts
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