4. Liquid purification or separation
  5. Filter
  6. Material

Willard S. Higley

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Polycarbonate membranes and production thereof

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ
Patent

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Polycarbonate membranes and production thereof

Liquid purification or separation – Filter – Material
Patent

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Polycarbonate membranes and production thereof

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
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Relatively thick polycarbonate membranes for use in hemodialysis

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
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Thin polycarbonate membranes for use in hemodialysis

Surgery – Respiratory method or device – Ozone or ion generation
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Profile ID: LFUS-PAI-P-253783

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