Integral polyethlene terephthalate grids, the method of manufacture, and uses thereof

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United States of America Patent

PATENT NO 9249552
APP PUB NO 20100254771A1
SERIAL NO

12449379

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Abstract

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An integral polymer grid with a plurality of interconnected, oriented polyethylene terephthalate strands and an array of openings therein is made from a polyethylene terephthalate sheet-like starting material having holes or depressions therein that form the openings when the sheet-like material is uniaxially or biaxially stretched. The grid has a higher tensile strength to weight ratio and a higher creep reduced strength to weight ratio than corresponding ratios associated with a grid made from a non-polyethylene terephthalate starting material.

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Patent Owner(s)

Patent OwnerAddress
WILMINGTON TRUST NATIONAL ASSOCIATION50 SOUTH SIXTH STREET STE 1290 MINNEAPOLIS MN 55402

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shelton, William Stanley Lithonia, US 8 8
Tyagi, Manoj Kumar Fayetteville, US 21 17

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