Valspar Sourcing has been granted a patent for a hardenable packaging coating composition comprised of an under-coat composition, containing: a polyester (co)polymer, and an under-coat cross-linker; and an over-coat composition, containing: a poly(vinyl chloride) (co)polymer dispersed in a substantially nonaqueous over-coat carrier liquid, an over-coat cross-linker, and a functional (meth)acrylic (co)polymer; wherein the packaging coating composition is substantially free of mobile Bisphenol A, Bisphenol F, Bisphenol A diglycidyl ether, and Bisphenol F diglycidyl ether.
Source:
http://www.coatingsworld.com/issues/2012-08/view_patents/valspar-patents-bisphenol-a-and-aromatic-glycidyl-ether-free-coating/
