Hyaluronan product and process for manufacturing thereof
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United States of America Patent
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Aug 26, 2003
Grant Date -
N/A
app pub date -
Nov 8, 2000
filing date -
Nov 8, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a chemically unmodified hyaluronan product which has a high molecular weight of 9-25 million Daltons and a zero shear viscosity from 0.1 to 30 billion mPa s. This unique product is durable and at the same time viscoelastic, and perfectly compatible within the biocompatible materials, for instance, as a cartilage substitute and as an intervertebral disc. The invention also relates to a process for manufacturing of said product.
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