Spandex having low set at low temperatures
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United States of America Patent
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Oct 28, 2003
Grant Date -
Dec 19, 2002
app pub date -
May 31, 2002
filing date -
Dec 3, 1999
priority date (Note) -
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Abstract
A low set (at low temperatures) spandex, based on copoly(alkylene ethers), which are copolymers containing tetramethylene ether and either ethylene ether or 1,2-propylene ether moieties, is provided.
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