Process for the preparation of (pyridinylidene)-phthalides

United States of America Patent

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Mar 16, 2004
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Jan 30, 2003
app pub date
Oct 16, 2001
filing date
Feb 16, 2000

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Expired

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Abstract

A process for the preparation of (pyridinylidene)-phthalides starting from 3-oxo-1,3-dihydro-isobenzofuran-1-carboxylic acids and pyridinecarbaldehydes, is described.

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Patent Owner	Address
ZAMBON GROUP S P A	I-36100 VICENZA

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C07D:HETEROCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Napoletano, Mauro	Milan, IT	34	170

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Process for the preparation of (pyridinylidene)-phthalides

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09958972

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PATENT NO	6706882
APP PUB NO	20030023094A1
SERIAL NO	09958972
DOCKET NO

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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 16, 2004	US,6706882,B2 US6706882B2	GRANTED PATENT AS SECOND PUBLICATION
January 30, 2003	US,20030023094,A1 US20030023094A1	FIRST PUBLISHED PATENT APPLICATION

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