Condensation copolymers containing bis-methine moieties and prod

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof

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528290, 528291, 528292, 528295, 528293, 528294, 528302, 528303, 528304, 525 46, 525445, C08G 6344, C08G 6376, C08G 6944

Patent

active

049507320

ABSTRACT:
A composition useful for molding into articles such as food containers, soft drink bottles, cured structural plastics and the like, comprising molding or fiber grade linear or unsaturated polyester or polycarbonate having copolymerized therein a total of from 1.0 to about 5,000 ppm, of the reactant residue moieties of one or a mixture of bis-methine reactants of the formula

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