Quinoid rylenedicarboximides as IR absorbers

US9493422B2 · kind B2 · utility

Assignees

• BASF SE
• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Thomas Gessner · Ypsilanti, US
• Helmut Reichelt · Neustadt, DE
• Klaus Muellen · Cologne, DE
• Zhihong Liu · Cupertino, US
• Chen Li · Santa Clara, US

Key dates

• Filing date: May 20, 2009
• Grant date: Nov 15, 2016
• Expiry date: Aug 31, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31993
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Compounds of the general formula (I)and compounds of the general formula (II)Use of compounds (I) or (II) as visible or invisible markers, for staining materials, in the laser welding of materials, for detecting bases, acids or pH changes, as a dispersing assistant, pigment additive for organic pigments and intermediates for the production of pigment additives, in heat management or energy management, in photovoltaics or in optical data storage.