4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From aldehyde or derivative thereof as reactant

Kenji Niikawa

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Hollow yarn membrane module, potting agent therefor and...

Gas separation: processes – Selective diffusion of gases – Selective diffusion of gases through substantially solid...
Reexamination Certificate

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Hydrophilic polymer alloy, fiber and porous membrane comprising

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent

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Preparation method of spherical melamine resin particulates havi

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From aldehyde or derivative thereof as reactant
Patent

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Profile ID: LFUS-PAI-P-1423397

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