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

Thomas Ballweg

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Inorganic hollow fibers

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials
Reexamination Certificate

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Oxygenator membrane

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

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Semipermeable membranes

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
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Profile ID: LFUS-PAI-P-2461870

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