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
Benzotriazole ortho-ester ultraviolet stabilizers
Benzotriazole ortho-ester ultraviolet stabilizers and their use
Polychromophoric benzotriazole ultraviolet stabilizers
Polychromophoric benzotriazole ultraviolet stabilizers for organ
Polymers containing optical brightener compounds copolymerized t
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