Crystalline copolyamides from terephthalic acid and hexamethylenediamine and trimethylhexamethylenediamine
 Crystalline copolyamides from terephthalic acid and mixtures of hexamethylenediamine and trimethylhexamethylenediamine and filled molding compositions prepared therefrom are disclosed. The injection moldable crystalline copolyamides in molded form are useful in engineering resin applications such as the hood of an automobile, a shroud for a lawn mower, chain saw guard, etc. 
Standard Oil Company (Indiana)
C
C08G
inventional
Wassily Larry W. Yu-Tsai
Poppe Autry Chen