Binders and a method of use thereof as coating material for metal containers

US7262261B2 · kind B2 · utility

Assignee

• Surface Specialities Germany GmbH & Co. KG · DE

Inventors

• Gerhard Brindopke · Frankfurt am Main, DE
• Oliver Etz · Limbach, DE
• Paul Oberressl · Wiesbaden, DE
• Bodo Wixmerten · Allschwil, CH

Key dates

• Filing date: Nov 6, 2003
• Grant date: Aug 28, 2007
• Expiry date: Feb 25, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D163/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Condensation products of dihydroxyaromatics A, alone or in mixture with mono- or polyhydroxyaromatics C, with diepoxides or polyepoxides B which have been alkylolated by reaction with aldehydes D and whose alkylol groups may have been etherified with alcohols, a process for preparing them, and a method of use thereof in particular as compositions for coating the inside of foodstuff and beverage packaging forms made from metals.