Polyester polymer containing the residue of the UV absorbing ben

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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528170, 528172, 528173, 528174, 525437, 525448, C08G 515

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active

048824127

ABSTRACT:
Composition useful for molding into articles such as food containers, beverage bottles, cured structural plastics and the like comprising molding grade polyester such as a linear, thermoplastic polyester having reacted therewith or copolymerized therein the residue of a 7-oxy-2H-1-benzopyran-2-one compound or a 7-oxy-2H-1-benzopyran-2-imine compound, said residue absorbing radiation in the range of about 330 to 380 nm and being non-extractable from said polymer and stable under polymer formation and processing conditions.

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