Bis epoxy polyesters and food cans coated with a composition...

Details Bis epoxy polyesters and food cans coated with a composition... Bis epoxy polyesters and food cans coated with a composition...

2011-07-19

2011-07-19

Sellers, Robert (Department: 1765)

Stock material or miscellaneous articles

Composite

Of epoxy ether

C428S458000, C525S445000, C525S451000, C528S100000

Reexamination Certificate

active

07981515

ABSTRACT:
Polyesters comprising the reaction product of a polyol and a bis-epoxy reacted with a mono- and/or di-phenolic carboxylic acid and/or ester are disclosed. Food cans coated at least in part on the interior with a composition comprising these polyesters are also disclosed. The composition used on the food cans is substantially free of BPA and BPF and substantially free of BADGE and BFDGE. Food cans coated at least in part on the interior with a composition comprising a polyester having a loss of molecular weight of less than 50% in an acidic medium are also disclosed.

REFERENCES:
patent: 4212781 (1980-07-01), Evans et al.
patent: 4943359 (1990-07-01), Patzschke et al.
patent: 5739215 (1998-04-01), Westerhof et al.
patent: 2002/0015770 (2002-02-01), Moretti

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