Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Ethylenically unsaturated reactant admixed with either...
Inventor
active
Condensation cross-linking polyurethane materials containing...
Phosphate-stabilized polyurethane materials, cross-linked by...
Piperazinone derivatives with alkoxysilane groups
Polyurethane prepolymers having alkoxysilane end groups,...
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