Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
Inventor
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Blends of polycarbonate or polyestercarbonate with 4-methyl-1-pe
Blends of polyestercarbonate with 4-methyl-1-pentene polymers
Semi-permeable membranes consisting predominantly of polycarbona
Tetrabromo bisphenol based polyestercarbonate membranes and meth
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