Apparatus and method for forming materials
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United States of America Patent
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Feb 22, 2005
Grant Date -
N/A
app pub date -
May 22, 2002
filing date -
Nov 27, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for forming liquid spinning solution into a solid formed product whereby the solution is passed through at least one tubular passage (17) having walls formed at least partly of semipermeable and/or porous material. The semipermeable and/or porous material allows parameters, such as the concentration of hydrogen ions, water, salts and low molecular weight, of the liquid spinning solution to be altered as the spinning solution passes through the tubular passage(s).
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