The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2019
Filed:
Jul. 25, 2015
The United States of America, As Represented BY the Secretary, Department of Health & Human Services, Washington, DC (US);
United Therapeutics Corporation, Silver Spring, MD (US);
Samir H. Shaban, Ashburn, VA (US);
Mary P. Koleck, Rockville, MD (US);
David A. Meh, Columbia, MD (US);
Gerald M. Farquharson, Vienna, VA (US);
Timothy O. Atolagbe, Elkridge, MD (US);
George Mitra, Potomac, MD (US);
The United States of America, as represented by the Secretary, Department of Health & Human Services, Washington, DC (US);
United Therapeutics Corporation, Silver Spring, MD (US);
Abstract
Disclosed here includes a method for purifying a biologic composition, comprising diafiltering the biologic composition into a composition comprising phosphate buffered saline (PBS) to obtain a purified composition. The method disclosed here can be particularly useful for removing one or more impurities from the biologic composition, such as bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane (Bis-tris).