Manufacturing method of absorbent resin

  • US 6,291,636 B1
  • Filed: 04/07/1999
  • Issued: 09/18/2001
  • Est. Priority Date: 04/07/1998
  • Status: Active Grant
First Claim
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1. A manufacturing method of absorbent resin comprising:

  • a drying step of drying hydrogel of a crosslinked polymer to obtain a product;

    a pulverizing step of pulverizing said product; and

    a separating step performed when the product has a water content exceeding 15 wt. % as calculated by an equation

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