Methods for making polyethylene terephthalate (PET) preforms...

Details Methods for making polyethylene terephthalate (PET) preforms... Methods for making polyethylene terephthalate (PET) preforms...

2007-07-24

2007-07-24

Boykin, Terressa (Department: 1711)

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

Synthetic resins

From carboxylic acid or derivative thereof

C215S011100, C215S046000, C264S176100, C264S219000, C428S035700, C528S271000

Reexamination Certificate

active

10485551

ABSTRACT:
The invention concerns the field of manufacture of PET containers designed in particular for packaging food products, particularly bottles for aerated beverages such as in particular natural and mineral water. The method for manufacturing PET resin preforms and the resulting preforms, a method for making PET resin containers from the preforms and the manufactured containers, in particular food bottles made of PET resin. The method for making PET resin preforms is characterised in that it consists in using a PET resin having an intrinsic viscosity (IV) less than 0.65 dl/g.

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