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US Patent 9957315 Purification of cell culture derived alpha1 protease inhibitor

Patent 9957315 was granted and assigned to Grifols on May, 2018 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Patent Applicant

Grifols

Current Assignee

Grifols

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

99573150

Patent Inventor Names

Jennifer A. Hunt0

Tonny Dessources0

Thomas P. Zimmerman0

Charles Miller0

David Ownby0

Senthil Ranganathan0

Date of Patent

May 1, 2018

Patent Application Number

151386820

Date Filed

April 26, 2016

Patent Primary Examiner

‌

Gary B. Nickol

Patent abstract

Described herein are methods for purifying recombinant, cell culture derived alpha1-protease inhibitor and removing a colored species that co-purifies with the recA1PI protein. Also described are methods for reducing the iron in cell culture derived alpha1-protease inhibitor.

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