Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
Inventor
active
Architectural concrete and process to make same
Hydroxy-functionalized poly(amino ether) salts
Hydroxy-functionalized polyester and poly(ester ether) oligomers
Poly(hydroxy amino ether) composition, method for preparing...
Process for preparing hydroxy-functionalized polyesters
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