Stable ascorbic acid compositions

United States of America Patent

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Aug 18, 1992
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N/A
app pub date
Apr 17, 1989
filing date
Apr 17, 1989

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Expired

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Abstract

Stable topical aqueous compositions are provided containing a concentration of L-ascorbic acid above about 1% (W/V) and maintaining a pH below about 3.5.

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Patent Owner(s)

Patent Owner	Address
DUKE UNIVERSITY	2812 ERWIN ROAD SUITE 306 BOX 90083 DURHAM NC 27710

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

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Darr, Douglas	Timberlake, NC	1	102
Pinnell, Sheldon R	Durham, NC	14	345

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Stable ascorbic acid compositions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07339488

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PATENT NO	5140043
SERIAL NO	07339488
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07339488

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