4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Treating polymer containing material or treating a solid...

Gerhard Schoppel

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Preparation of alkylated N- or amino, ammonium or...

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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Process and apparatus for defined comminution of polymer gels

Solid material comminution or disintegration – Apparatus – Comminuting surface provided with openings to permit...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2911916

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