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...
Inventor
active
Process for the preparation of zinc dithiocarbamates
Process for the production of bis-(dialkoxythio-phosphoryl)-tris
Rubber compositions modified with benzimidazo-linones
Rubber compositions modified with heterocyclic di-N-oxides
Rubber compositions modified with hydroxy-benz-imidazole oxides
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