Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
Inventor
active
Alkyl phenol-formaldehyde condensates as fuel additives
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Alkyl phenol-sulfur condensates as fuel and lubricating oil addi
Alkyl phenol-sulfur condensates as fuel and lubricating oil addi
Carboxylate-vinyl ester copolymer blend compositions for...
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