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:
Nov. 25, 2025
Filed:
Feb. 22, 2021
Grifols Worldwide Operations Limited, Dublin, IE;
James Rebbeor, Research Triangle Park, NC (US);
Jeffrey A. Yuziuk, Research Triangle Park, NC (US);
George Grady, Research Triangle Park, NC (US);
Dennis Mcbride, Research Triangle Park, NC (US);
Grifols Worldwide Operations Limited, Dublin, IE;
Abstract
A method for obtaining Alpha-1 Proteinase Inhibitor for obtaining highly-concentrated Alpha-1 Proteinase Inhibitor (A1PI) includes preparing a solution of A1PI by concentrating an initial solution of A1PI by tangential flow filtration (TFF) against water. The final concentration of A1PI in the concentrated solution is at least 110 mg/ml. The TFF can be carried out against water for injection (WFD).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile