Nitrocellulose alkyd resin lacquers containing bis-(hydroxyphenyl)-alkanes

US4022724A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hans-Joachim Kreuder · Krefeld, DE
• Bernd Peltzer · Krefeld, DE
• Johannes Beckers · Amsterdam, NL
• Wolfgang Kremer · Kerken, DE
• Theo Kempermann

Key dates

• Filing date: Jul 18, 1975
• Grant date: May 10, 1977
• Expiry date: Jul 18, 1995

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D167/08
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Alkyd resin lacquers which contain cellulose nitric acid esters can be prevented from "lifting" and yellowing by the addition of bis-[hydroxyphenyl]-alkanes which are substituted in the nucleus.