4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Heterocyclic carbon compounds containing a hetero ring...

Jean-Marie Bernard

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(Cyclo)condensation of isocyanate compounds

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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Catalyst and a method for the trimerization of isocyanates

Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate

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Catalyst and method for trimerization of isocyanates

Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate

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Catalyst for isocyanate condensation, composition containing...

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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Color stability of isocyanates

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-336708

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