Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
Inventor
active
Hardenable, boron-containing reinforcing resins for rubber
Phenolic resins using polyamines and polyethers in their product
Process for the preparation of boron-containing phenol-formaldeh
Release agents
Resins based on novolaks, their production and their use as tack
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