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US 2009/0020040 A1Published application
Aqueous dispersions and coatings comprising modified epoxy resins comprising the reaction product of rosin and a dienophile
AssigneePPG Industries Ohio, Inc.
InventorDavid Fenn
Life of this patent
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Abstract
Aqueous dispersions and coatings comprising modified epoxy resins comprising the reaction product of rosin and a dienophile, further reacted with an epoxy resin, are disclosed.
Claims19
An aqueous dispersion comprising a modified epoxy resin comprising the reaction product of rosin and a dienophile comprising a carboxylic group and/or an anhydride group, further reacted with an epoxy resin.
A coating comprising a modified epoxy resin comprising the reaction product of rosin and a dienophile comprising a carboxylic group and/or an anhydride group, further reacted with an epoxy resin wherein the coating is not a cationic ecoat.
Dependencies are inferred from the claim text.