Polyglycolic acid molded article, component for downhole tool, and method of producing polyglycolic acid molded article

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United States of America Patent

PATENT NO 9868231
SERIAL NO

15079079

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Abstract

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The polyglycolic acid having a content of low molecular weight substance of less than 1% by weight; and a molded article thereof having a thickness of 2 mm or greater, the time at which immersion of the molded article in water at 66° C. is started to the time at which the polyglycolic acid decomposed by the water starts to elute being 1 hour or longer by 30 hours or shorter, and a rate of embrittlement, at which embrittlement proceeds due to the elution of the polyglycolic acid, being 0.025 mm/h or greater.

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Patent Owner(s)

  • KUREHA CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Fuminori Tokyo, JP 32 215
Saito, Mizuki Tokyo, JP 4 7

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