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...

Takeshi Sumita

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Polymer/polyol composition, processes for making the same and a

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent

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Polymer/polyol composition, processes for making the same and po

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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