Filled composition comprising crystalline copolyamide from terephthalic acid, isophthalic acid and hexamethylene diamine
 Polyphthalamides which, when filled, have heat deflection temperatures of at least about 240.degree. C. are prepared from compounds of terephthalic acid and isophthalic acid in a ratio of about 70:30 to about 99:1 in combination with a diamine which comprises hexamethylene diamine. 
Amoco Corporation
C
C08G
inventional
Edward E. Wassily Yu-Tsai
Paschke Poppe Chen