Method for reducing DNA impurities in viral compositions

United States of America Patent

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Jul 15, 2014
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Aug 8, 2013
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Aug 12, 2010
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Aug 12, 2010

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Abstract

A method for purification of viral compositions is provided. In particular, a method for reduction of unwanted residual DNA in a viral composition while retaining the immunogenicity of the virus itself is provided. The resulting immunogenic viral composition is substantially free of residual DNA, and is useful for the manufacture of medical products, such as vaccines designed for human or animal.

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YISHENG BIOPHARMA HOLDINGS LTD	KAIFENG CITY HENAN 475004

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Inventor Name	Address	# of filed Patents	Total Citations
Dai, Jinming	Beijing, CN	1	0
Ni, Yajin	Gaithersburg, US	9	43
Zhang, Yi	Beijing, CN	1881	15120

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Method for reducing DNA impurities in viral compositions

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United States of America Patent

13813897

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PATENT NO	8778653
APP PUB NO	20130203152A1
SERIAL NO	13813897
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
July 15, 2014	US,8778653,B2 US8778653B2	GRANTED PATENT AS SECOND PUBLICATION
August 08, 2013	US,20130203152,A1 US20130203152A1	FIRST PUBLISHED PATENT APPLICATION

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13813897

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