Environmentally friendly material used for making pens
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United States of America Patent
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May 8, 2012
Grant Date -
Apr 22, 2010
app pub date -
Oct 15, 2009
filing date -
Oct 16, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A biodegradable polylactic acid material being suitable for the manufacture of articles, such as pens, is the heated mixed product of the following components, 93% by weight to 96% by weight polylactic acid, 0.8% by weight to 1.2% by weight of a chain extender, 0.6% by weight to 1.0% by weight of a nucleating agent, and 2.5% by weight to 5.0% by weight of a filler.
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