Transdermal contraceptive formulations

United States of America Patent

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Mar 28, 1989
Grant Date
N/A
app pub date
Feb 26, 1987
filing date
Feb 26, 1987

priority date (Note)
Expired

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Abstract

A transdermal delivery system for the administering of ethinyl estradiol and levonorgestrel, in combination, utilizing a polymer matrix having the drug formulation along with a permeation enhancer dispersed throughout.

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Patent Owner(s)

Patent Owner	Address
ALZA CORPORATION A CORP OF CA	PALO ALTO CA 94303-0802

International Classification(s)

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

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Campbell, Patricia S	Palo Alto, CA	26	1623
Gale, Robert M	Los Altos, CA	94	4395
Nedberge, Diane E	Los Altos, CA	16	883
Yum, Su I	Los Altos, CA	38	2428

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Transdermal contraceptive formulations

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07019163

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PATENT NO	4816258
SERIAL NO	07019163
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07019163

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