Purification of a monomer by extraction with a phase former and crystallization
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United States of America Patent
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Feb 24, 2009
Grant Date -
Jun 1, 2006
app pub date -
Jan 13, 2004
filing date -
Jan 13, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns a process for purification of an acidic monomer having a double bond, as well as a device for synthesis of an acidic monomer having a double bond, a process for producing an acidic monomer having a double bond, an acid monomer having a double bond and obtainable by this process, fibers, formed bodies, films, foams, superabsorbent polymers and other special polymers based on or containing this acidic monomer, the use of this acidic monomer in or for producing fibers, formed bodies, films, foams, superabsorbent polymers or other special polymers.
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