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US 3733309

How Plastic Soda Bottles Are Made Stronger Using Stretched Molecules

A 1970s invention that describes how to make lightweight, clear plastic bottles strong enough to hold carbonated drinks without exploding.

Statusexpired

Granted1973

Expires1990

Claims0

Forward citations170

Prior art0

AssigneeEI Du Pont de Nemours and Co

InventorsN Wyeth, R Roseveare

Patent B

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