Patent · US Active

Polyoxazoline curing for packaging coating compositions

US10836928B2 · kind B2 · utility

0Cited by

5References

30Claims

0Family size

Assignee

PPG Industries Ohio, Inc. · US

Inventors

Max Molleo · Loveland, US
Hongying Zhou · Allison Park, US
Carl Seneker · Pittsburgh, US
Christopher P. Kurtz · Shaler Township, US
Qin Li · Eindhoven, NL

Key dates

Filing date	Dec 15, 2017
Grant date	Nov 17, 2020
Priority date	—
Expiry date	Dec 15, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D153/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Coated packaging and methods for coating such packaging are disclosed. The coating compositions comprise a polymer comprising acid functionality and a polyoxazoline, wherein the coating composition is substantially free of formaldehyde. The coating compositions may be applied onto at least a portion of the interior and/or exterior of packaging, such as metal cans and can ends.

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