Method for treating or pretreating containers

US7344757B2 · kind B2 · utility

Assignee

• CHEMETALL GMBH · DE

Inventors

• Karl-Heinz Bischoff · Weinbach, DE
• Mats Eriksson · Ytterby, SE
• Norbert Kliehm · Schongau, DE
• Lars Sebralla · Bruchköbel, DE
• Markus Wahren · Schlangen, DE
• Manfred Walter · Nuremberg, DE

Key dates

• Filing date: May 21, 2001
• Grant date: Mar 18, 2008
• Expiry date: Dec 30, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2050/02
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process for the treatment or pretreatment of containers made of aluminum, aluminum-containing alloys, magnesium-containing alloys, iron-containing materials such as steel, coated iron-containing materials such as galvanized steel, or aluminum alloys, tinplate, brass or bronze, in particular the treatment or pretreatment of bags, tubs, bottles, cans, canisters, casks or tubes, wherein the process steps for the treatment or pretreatment take place at the same time as the application of the lubricant, with the agent used for the pretreatment or treatment, which also contains or is a lubricant, not essentially consisting of titanium or zirconium with fluoride and polymer, the lubricant possibly being formed first in the agent for the pretreatment or treatment or in the formation of the coating produced therefrom.