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Generated: July 16, 2019

DrugPatentWatch Database Preview

Patent: 7,927,815

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Summary for Patent: 7,927,815

Title:	Protein purification method
Abstract:	A method for removing contaminant DNA in a sample containing a physiologically active protein, which comprises the following steps: 1) converting the sample containing a physiologically active protein into a neutral aqueous solution of low conductivity; and 2) removing the resulting particles.
Inventor(s):	Takeda; Kozo (Tokyo, JP), Ochi; Norimichi (Tokyo, JP)
Assignee:	Chugai Seiyaku Kabushiki Kaisha (Tokyo, JP)
Application Number:	12/018,688
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 7,927,815
Patent Claims:	see list of patent claims

Details for Patent 7,927,815

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Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Number	Approval Date	Patent No.	Assignee	Patent Expiration	Status	Orphan	Source
Nps Pharms Inc	NATPARA	parathyroid hormone	INJECTABLE;INJECTION	125511	004	2015-01-23	➤ Try a Free Trial	Chugai Seiyaku Kabushiki Kaisha (Tokyo, JP)	➤ Try a Free Trial	RX	Orphan	search
Nps Pharms Inc	NATPARA	parathyroid hormone	INJECTABLE;INJECTION	125511	003	2015-01-23	➤ Try a Free Trial	Chugai Seiyaku Kabushiki Kaisha (Tokyo, JP)	➤ Try a Free Trial	RX	Orphan	search
Nps Pharms Inc	NATPARA	parathyroid hormone	INJECTABLE;INJECTION	125511	002	2015-01-23	➤ Try a Free Trial	Chugai Seiyaku Kabushiki Kaisha (Tokyo, JP)	➤ Try a Free Trial	RX	Orphan	search
Nps Pharms Inc	NATPARA	parathyroid hormone	INJECTABLE;INJECTION	125511	001	2015-01-23	➤ Try a Free Trial	Chugai Seiyaku Kabushiki Kaisha (Tokyo, JP)	➤ Try a Free Trial	RX	Orphan	search
Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Number	Approval Date	Patent No.	Assignee	Patent Expiration	Status	Orphan	Source

International Patent Family for US Patent 7,927,815

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Country	Patent Number	Publication Date
World Intellectual Property Organization (WIPO)	02072615	Sep 19, 2002
United States of America	2004138424	Jul 15, 2004
United States of America	2008255342	Oct 16, 2008
United States of America	7332289	Feb 19, 2008
Japan	2009062380	Mar 26, 2009
Country	Patent Number	Publication Date

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