Polyester/polycarbonate blends
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United States of America Patent
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Aug 24, 1993
Issued Date -
N/A
app pub date -
Nov 14, 1991
filing date -
Aug 21, 1985
priority date (Note) -
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Abstract
Disclosed is a composition of matter comprising a homogeneous blend of polyester and a polycarbonate of 4,4-isopropylidenediphenol, the composition having a Gardner b value of less than 10 and a Gardner a value of less than 4. The polyester is produced using an organic derivative of tin as catalyst.
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