Patent · US Expired

Process for applying a coating to coiled metal sheet

US7438954B2 · kind B2 · utility

0Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 9, 2004
Grant dateOct 21, 2008
Priority date
Expiry dateDec 15, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05D2252/02
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The invention relates to a process for preparing a coated metal sheet coil comprising the coating of the metal sheet with a curable composition comprising an (meth)acrylated oligomer which is the reaction product of a carboxyl functionalized polybutadiene comprising x equivalents of —COOH groups with (i) y equivalents of one or more (meth)acrylated monoepoxides or (ii) a mixture of z equivalents of one or more polyepoxides and at least (z-x) equivalents of an α,β-unsaturated carboxylic acid; with z>x and y≧x.

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