4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. At least one aryl ring which is part of a fused or bridged...

Bernfried A. Messner

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Manufacture of web superabsorbent polymer and fiber

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Reexamination Certificate

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Superabsorbent polymer fibers having improved absorption...

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Reexamination Certificate

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Superabsorbent polymers having anti-caking characteristics

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...
Patent

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Superabsorbent polymers having delayed water absorption...

Plastic and nonmetallic article shaping or treating: processes – Treating shaped or solid article – By a temperature change
Reexamination Certificate

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Superabsorbent polymers having delayed water absorption...

Stock material or miscellaneous articles – Structurally defined web or sheet – Physical dimension specified
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1845007

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