4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From sulfur-containing reactant

Ching-Yen Wei

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Ruthenium complexes with tridentate heterocyclic ligand and...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate

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Soluble polythiophene derivative

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From sulfur-containing reactant
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2359600

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