Process for photo-oxidative stability improvements

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May 13, 2008
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Mar 2, 2006
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Aug 24, 2004
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Aug 24, 2004

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Abstract

A process for improving the stability to photo-oxidation of a polycyclic aromatic compound having at least two polymorphic forms comprises treating a first polymorph with one or more solvents to obtain the more stable second polymorph and then separating the second polymorph from the solvent.

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GLOBAL OLED TECHNOLOGY LLC

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C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Andrievsky, Natasha	Webster, NY	34	320
Begley, William J	Webster, NY	103	868
Landry, Michael R	Wolcott, NY	22	70
Nichols, William F	Newark, NY	3	23
Rajeswaran, Manju	Fairport, NY	27	172

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Process for photo-oxidative stability improvements

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United States of America Patent

10924637

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PATENT NO	7371906
APP PUB NO	20060047174A1
SERIAL NO	10924637
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
May 13, 2008	US,7371906,B2 US7371906B2	GRANTED PATENT AS SECOND PUBLICATION
March 02, 2006	US,20060047174,A1 US20060047174A1	FIRST PUBLISHED PATENT APPLICATION

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10924637

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