Polyvinyl alcohol-based resin and plugging agent for underground treatment

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United States of America Patent

PATENT NO 11851607
SERIAL NO

17187542

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Abstract

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Provided are a polyvinyl alcohol-based resin having an excellent plugging effect and a plugging agent for underground treatment. A polyvinyl alcohol-based resin is disclosed, in which a degree of swelling (%) when the polyvinyl alcohol-based resin is immersed in water at 40° C. for 30 minutes and a solubility (%) when the polyvinyl alcohol-based resin is immersed in water at 65° C. for 5 hours satisfy the degree of swelling/the solubility≥3.0.

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Patent Owner(s)

  • KURARAY CO. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tajima, Yasuhiro Kurashiki, JP 30 157

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