4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From reactant having at least one -n=c=x group as well as...

Alexander Leo Yahkind

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Coating compositions comprising a polyisocyanate compound, a...

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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Coating compositions comprising a polyisocyanate compound, a...

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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Polyurethane polyol compositions and coating compositions...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Reexamination Certificate

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Polyurethane polyols and coatings thereof having reduced...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate

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Reaction product of melamine aldehyde resin and diol

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate

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