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...

Cécile Lecrivain

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Photochromic compositions, preparation thereof and articles...

Compositions – Light transmission modifying compositions – Displaying color change
Reexamination Certificate

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Radicaly polymerisable compositions containing...

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-2775022

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