Optical scattering monitor
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United States of America Patent
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Nov 4, 2003
Grant Date -
Mar 7, 2002
app pub date -
Jun 29, 2001
filing date -
Aug 2, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to the monitoring of polymers during their processing by the determination of optical scattering properties. According to one aspect of the invention, there is provided a monitoring system for a vessel for polymer processing and the like, comprising a monitoring cell for measuring the optical properties of the contents of the vessel, a feed path and a return path both connecting the cell to the vessel, and a pump connected in the feed or return path. According to another aspect of the invention there is provided a monitoring cell for measuring the optical properties of the contents of the cell, including a source for generating a laser beam through the cell, and a detector for detecting light scattered from the laser beam, preferably a linear camera and an optical system for focusing scattered light thereon.
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