4. Hydraulic and earth engineering
  5. Earth treatment or control
  6. Impermeabilization

Walter Van Woudenberg

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Pressure barrier liner

Hydraulic and earth engineering – Earth treatment or control – Impermeabilization
Patent

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Reinforced networked polymer/clay alloy composite

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate

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Reinforced networked polymer/clay alloy composite

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1194099

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