PMMA PASTE
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United States of America Patent
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N/A
Issued Date -
May 12, 2011
app pub date -
Jun 13, 2009
filing date -
Jun 30, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A PMMA paste is made from a mixture of (A) methyl methacrylate having a methacrylic acid content of less than 1% and a water content of less than 1% and (B) at least one polymethyl methacrylate having a Tg of more than 65° C. and a molar mass of greater than or equal to 200,000 g/mol. The methyl methacrylate fraction is sufficient for the PMMA paste to be autosterile, the weight ratio of (B) to (A) preferably being 10-50% (B) to 50-90% (A). The PMMA paste can be used to produce paste-like one-component bone cements and two-component bone cements.
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