Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
Inventor
active
Acrylic acid composition and its production process, and...
Continuous production process for water-absorbent resin...
Hydrophilic resin, absorbent article, and acrylic acid for...
Method for production of porous cross-linked polymer material
Method for production of porous cross-linked polymer material
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