4. Plastic and nonmetallic article shaping or treating: processes
  5. Pore forming in situ
  6. By mechanically introducing gas into material

Leon Swennen

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Method of forming boards of foam polyolefin using needle punchin

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By mechanically introducing gas into material
Patent

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Polyolefin foams and methods of making the same

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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Profile ID: LFUS-PAI-P-1307651

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