Sustained release with high and low viscosity HPMC

United States of America Patent

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Apr 23, 1991
Grant Date
N/A
app pub date
Feb 2, 1990
filing date
Feb 2, 1990

priority date (Note)
Expired

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Abstract

Sustained release formulations are disclosed which contain a therapeutically active medicament and a high and low viscosity HPMC and which exhibit a zero order release profile.

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Patent Owner(s)

Patent Owner	Address
MERCK & CO INC A CORP OF NEW JERSEY	LINCOLN AVENUE RAHWAY NJ

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
Lui, Chung Y	Lansdale, PA	3	71

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Sustained release with high and low viscosity HPMC

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07473801

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PATENT NO	5009895
SERIAL NO	07473801
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07473801

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