4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From lignin, tannin, or derivative reactant

Fu-Fong Chang

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Method for aqueous polyurethane blocking reaction

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...
Patent

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Soluble, solid or crosslinked graft copolymers of lignin (2-prop

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From lignin – tannin – or derivative reactant
Patent

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Soluble, solid, or crosslinked graft copolymers of lignin (2-pro

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ethylenically unsaturated reactant admixed with a preformed...
Patent

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