Patent · US Expired

Conductive organic coatings

US6835459B2 · kind B2 · utility

10Cited by

4References

4Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Wolfgang Lorenz · Dormagen, DE
Andreas Kunz · Remscheid, DE
Eva Wilke · Hilden, DE

Key dates

Filing date	Nov 6, 2002
Grant date	Dec 28, 2004
Priority date	—
Expiry date	Jun 12, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31678
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A conductive and weldable anti-corrosion composition for coating metal surfaces which contains:(a) 5 to 40 wt. % of an organic binder containing:(aa) at least one epoxide resin(ab) at least one hardener selected from cyanoguanidine, benzoguanamine and plasticised urea resin(ac) at least one amine adduct selected from polyoxyalkylenetriamine and epoxide resin/amine adducts(b) 0 to 15 wt. % of an anti-corrosion pigment(c) 40 to 70 wt. % of a conductive pigment selected from powdered zinc, aluminum, graphite, molybdenum sulfide, carbon black and iron phosphide(d) 0 to 45 wt. % of a solvent;and a lacquered metal structural part which has a conductive organic layer.

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