Electroluminescent devices comprising diketopyrrolopyrroles

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Feb 21, 2006
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Apr 29, 2003
filing date
Sep 27, 1999

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Expired

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Abstract

Electroluminescent device comprising in this order (a) an anode (b) a hole transporting layer (c) a light-emitting layer (d) optionally an electron transporting layer and (e) a cathode

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Patent Owner(s)

Patent Owner	Address
CIBA SPECIALTY CHEMICALS CORPORATION	TARRYTOWN NY

International Classification(s)

H05B:ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE ....

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Dan, Norihisa	Kyoto, JP	12	111
Iqbal, Abul	Arconciel, CH	79	995
Moretti, Robert	Petit-Lancy, CH	27	41
Otani, Junji	Kobe, JP	26	321
Yamamoto, Hiroshi	Takarazuka, JP	1032	14677

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Electroluminescent devices comprising diketopyrrolopyrroles

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10425201

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US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
February 21, 2006	US,7001677,B2 US7001677B2	GRANTED PATENT AS SECOND PUBLICATION
January 15, 2004	US,20040009368,A1 US20040009368A1	FIRST PUBLISHED PATENT APPLICATION

PATENT NO	7001677
SERIAL NO	10425201
DOCKET NO

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10425201

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