Formed articles from polyester resins
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 11, 2002
Grant Date -
N/A
app pub date -
Mar 1, 2000
filing date -
May 7, 1993
priority date (Note) -
Expired
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Abstract
Articles from a polyester resin obtained by melt-shaping of the resin added with a polyfunctional compound, capable of increasing the molecular weight of the resin by addition reaction in the solid state with the end groups of the resin and by upgrading treatment of the article, so as to increase by at least 0.1 dl/g the intrinsic viscosity of the starting resin.
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