Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
Inventor
active
Binder mixtures containing lignin and phenol novolaks
Binder mixtures containing reactive group containing lignin and
Bonding agent composition, its use as well as a process for the
Heat-curable tannin-based binding agents
Method for producing resols
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