Patent · US Expired

Waterborne coating composition for metal containers

US5387625A · kind A · utility

49Cited by
12References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 1993
Grant dateFeb 7, 1995
Priority date
Expiry dateMay 18, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31529
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A waterborne coating composition for metal containers, a method of coating a metal container, and a metal article useful as a food or beverage container are disclosed. The waterborne coating composition is a thermoplastic material and comprises: (a) a flexible, high molecular weight epoxy resin; (b) a medium molecular weight epoxy resin; (c) a resin having pendant carboxylic acid groups; (d) a fugitive base; and an aqueous carrier, wherein the waterborne coating composition includes about 0.5 to about 2.5 pounds volatile organic content per gallon of the composition, minus water.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.