Polyalkylene oxide particles and production method for the same

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United States of America Patent

PATENT NO 9447237
APP PUB NO 20140106171A1
SERIAL NO

14123296

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Abstract

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The present invention relates to a production method of polyalkylene oxide particles including a step of forming the polyalkylene oxide particles by polymerization of an alkylene oxide in a polymerization solution containing a polymerization solvent and a catalyst dispersed in the polymerization solvent. The average particle diameter of the catalyst is 25 μm or less.

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Patent Owner(s)

  • SUMITOMO SEIKA CHEMICALS CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hachiken, Shizuka Himeji, JP 4 6
Ido, Toru Himeji, JP 56 125
Kato, Makoto Tokyo, JP 268 3209

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