Method for producing polybutylene terephthalate film
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United States of America Patent
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Issued Date -
Jun 22, 2006
app pub date -
Nov 26, 2003
filing date -
Nov 26, 2002
priority date (Note) -
Abandoned
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Abstract
A method for producing a polybutylene terephthalate film comprising extruding a molten polybutylene terephthalate resin through a T-die in the shape of a film; slowly cooling the resultant film in a substantially unoriented state to crystallize said polybutylene terephthalate resin; and orienting the crystallized film.
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