Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
Inventor
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Cured polyester plastic compositions derived from recycled polyu
Cured thermosets and glass-reinforced composites from unsaturate
Demethylated lignin and process
High performance ortho UPR
Hydrolysis of polyurethanes
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