Preparations containing wax

US6051155A · kind A · utility

Assignee

• Metallgesellschaft AG · DE

Inventors

• Jorg Hocken · Düsseldorf, DE
• Wolf-Rudiger Karl · Duisburg, DE
• Klaus Schulte · Mölnbo, SE

Key dates

• Filing date: Aug 17, 1999
• Grant date: Apr 18, 2000
• Expiry date: Aug 17, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09G1/08
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Wax-containing preparation for treating wood and leather surfaces, comprising very fine transparent titanium dioxide particles with a crystallite size of between 5 and 50 nm offer long-term protection of wood and leather surfaces against the harmful effects of light at wavelengths between 280 and 800 nm.