Shading process

US8585784B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Hans Kramer · Ede, NL
• Frank Bachmann · Glückstadt, DE
• Christof Dosenbach · Bad Bellingen, DE
• Mini Jeevanath · Bengaluru, IN
• Georg Roentgen · Glückstadt, DE
• Adolf Kaser · Bottmingen, CH
• Roger Wolfgang Basler · Weil am Rhein, DE

Key dates

• Filing date: Nov 25, 2008
• Grant date: Nov 19, 2013
• Expiry date: Jul 13, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/40
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to new compounds, which are molecular combinations of a phthalocyanine and a mono-azo dyestuff linked via specific linking groups and to a process for their preparation. Further aspects are shading compositions using these compounds.