4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Cellular products or processes of preparing a cellular...

Hyun Chae Park

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Method for preparing porous membranes utilizing water or organic

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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Method for producing an asymmetric support membrane by...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate

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Separation membranes prepared from polyamide polymers having 2,2

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

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Profile ID: LFUS-PAI-P-538202

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