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:
Jan. 15, 2013
Filed:
Jan. 07, 2009
Applicants:
Pere Ristol Debart, Sabadell, ES;
Maria Mercedes Faro Tomas, Sabadell, ES;
Juan Ignacio Jorquera Nieto, Ametlla del Valles, ES;
Inventors:
Pere Ristol Debart, Sabadell, ES;
Maria Mercedes Faro Tomas, Sabadell, ES;
Juan Ignacio Jorquera Nieto, Ametlla del Valles, ES;
Assignee:
Grifols, S.A., Barcelona, ES;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 35/14 (2006.01); A23J 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A concentrate of Von Willebrand Factor (VWF) or a complex of Factor VIII/VWF is prepared by creating a solution of VWF or a complex of Factor VIII/VWF containing VWF at a concentration of up to 12 IU VWF:RCo/ml and a VWF/Factor VIII ratio of 0.4 or more; and nanofiltering that starting solution through a filter of pore size of 35 nanometers or smaller. The resulting VWF retains high molecular weight multimers.