Organic colouring agents and coloured polymer compositions with a high stability to weathering

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9212272
APP PUB NO 20140121309A1
SERIAL NO

14146805

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Abstract

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The present invention relates to organic coloring agents with a high color stability to weathering for thermoplastics. The invention furthermore relates to a polymer composition containing at least one thermoplastic and at least one organic coloring agent, preferably a combination of at least two organic coloring agents, of a specific structure. The invention moreover relates to the use of the coloring agents according to the invention for coloring polymer compositions, in particular for transparent formulations such as are required for the production of panes for use in buildings, motor vehicles and track vehicles or aircraft.

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Patent Owner(s)

Patent OwnerAddress
COVESTRO DEUTSCHLAND AGLEVERKUSEN GERMANY LEVERKUSEN NORTH RHINE-WESTPHALIA

International Classification(s)

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  • 2014 Application Filing Year
  • B60J Class
  • 574 Applications Filed
  • 487 Patents Issued To-Date
  • 84.85 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Meyer, Alexander Düsseldorf, DE 104 402
Reichenauer, Jörg Krefeld, DE 5 39
Wagner, Michael Moers, DE 194 2499

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  • B60J Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges27345662671121101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 90020406080100120140160180200220240260280300320340360380

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 15, 2027