Skin whiteners containing hydroxytetronic acid

United States of America Patent

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Jul 9, 2002
Grant Date
Jun 13, 2002
app pub date
Dec 12, 2000
filing date
Dec 12, 2000

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Abstract

Skin whitening compositions contain .alpha.-hydroxytetronic acid or a .alpha.-hydroxy tetronic derivative, and, in some cases, hydroquinone, an .alpha.-hydroxy acid such as glycolic acid, and a fatty acid ester of ascorbic acid such as ascorbyl palmitate.

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Patent Owner(s)

Patent Owner	Address
N V PERRICONE LLC	639 RESEARCH PARKWAY MERIDEN CT 06450

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A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Perricone, Nicholas V	27 Coginchaug Ct., Guilford, CT 06437	222	8489

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Skin whiteners containing hydroxytetronic acid

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09735144

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PATENT NO	6417226
APP PUB NO	20020071816A1
SERIAL NO	09735144
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 09, 2002	US,6417226,B1 US6417226B1	GRANTED PATENT AS FIRST PUBLICATION
June 13, 2002	US,20020071816,A1 US20020071816A1	FIRST PUBLISHED PATENT APPLICATION

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09735144

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