Method of purifying a raw melt of at least one monomer by...

Details Method of purifying a raw melt of at least one monomer by... Method of purifying a raw melt of at least one monomer by...

2008-01-15

2008-01-15

Saeed, Kamal A. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

C548S543000

Reexamination Certificate

active

07319166

ABSTRACT:
The invention relates to a method for purifying a raw melt of at least one monomer by crystallization, wherein suspension crystallization is initially used and the resulting remaining melt or the suspension crystals that have been molten once again and separated are subjected to a mechanical separation operation before undergoing subsequent purification by crystallization.

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