Patent · US Active

Dibenzorylenetetracarboximides as infrared absorbers

US8088922B2 · kind B2 · utility

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19Claims

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Assignees

Inventors

Martin Koenemann · Ludwigshafen, DE
Arno Boehm · Mannheim, DE
Yuri Avlasevic · Mainz, DE
Klaus Muellen · Cologne, DE

Key dates

Filing date	May 29, 2007
Grant date	Jan 3, 2012
Priority date	—
Expiry date	Apr 16, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Dibenzorylenetetracarboximides of the general formula Iin which the variables are each defined as follows:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.