Shrinkable polyethylene terephthalate film

Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source

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Details

2642902, 428480, 428910, 428 36, 525444, 138118, F16L 1106

Patent

active

042437121

ABSTRACT:
This invention relates to a stretched shrinkable film of polyethylene terephthalate containing about 2 to 35 percent by weight of polybutylene terephthalate.

REFERENCES:
patent: 2465319 (1949-03-01), Whinfield
patent: 2876067 (1959-03-01), Nagel
patent: 3187075 (1965-06-01), Siefried
patent: 3256379 (1966-06-01), Heffelfinger
patent: 3423281 (1969-01-01), Weiner
patent: 3446886 (1969-05-01), Karickoff
patent: 3455720 (1969-07-01), Davies
patent: 3953394 (1976-04-01), Fox

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