Waterborne coating composition for metal containers
US5387625A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 1993 |
| Grant date | Feb 7, 1995 |
| Priority date | — |
| Expiry date | May 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.