Controlled drug release system of retinoic acid

United States of America Patent

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Jul 20, 2004
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N/A
app pub date
Mar 28, 2001
filing date
Oct 1, 1998

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Expired

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Abstract

The present invention relates to a controlled drug release system in which a certain ratio or retinoic acid is incorporated into a microsphere comprising biodegradable polymer and amphoteric block copolymer having both hydrophilic and hydrophobic groups.

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Patent Owner(s)

Patent Owner	Address
KWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY	KWANGJU 500-712
SHIN POONG PHARMACEUTICAL CO LTD	ANSAN-SHI GYEONGGI-DO 425-100

International Classification(s)

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

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Byun, Young-Ro	Kwangju, KR	1	34
Choi, Yong-Doo	Kwangju, KR	8	44
Han, In-Suk	Salt Lake City, UT	2	38
Kim, Chul-Hee	Sungnam-shi, KR	5	51
Kim, Sang-Yoon	Seoul, KR	40	349
Kim, Sun-Hee	Seoul, KR	27	425
Lee, Kwang-Sun	Seoul, KR	2	34

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Controlled drug release system of retinoic acid

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09806287

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PATENT NO	6764698
SERIAL NO	09806287
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09806287

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