Slow-crystallizing polyester resins

Details Slow-crystallizing polyester resins Slow-crystallizing polyester resins

2006-10-31

2006-10-31

Boykin, Terressa (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S275000, C528S276000, C528S277000, C528S286000

Reexamination Certificate

active

07129317

ABSTRACT:
The present invention relates to slow-crystallizing polyethylene terephthalate resins that possess a significantly higher heating crystallization exotherm peak temperature (TCH) as compared with those of conventional antimony-catalyzed polyethylene terephthalate resins. The polyethylene terephthalate resins of the present invention are especially useful for making hot-fill bottles having exceptional clarity.

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