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:
Oct. 28, 2008
Filed:
Feb. 25, 2004
Applicants:
Pere Ristol Debart, Sabadell, ES;
Jesus Fernandez Rodriguez, Gava, ES;
Inventors:
Pere Ristol Debart, Sabadell, ES;
Jesus Fernandez Rodriguez, Gava, ES;
Assignee:
Grifols, S.A., Barcelona, ES;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/58 (2006.01); B01D 61/14 (2006.01); A61K 35/16 (2006.01); B01D 61/00 (2006.01); A61K 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for removing viruses in fibrinogen solutions and fibrinogen obtained thereof wherein the process starts with an adjusted purified fibrinogen solution, the adjusted purified solution is frozen and then thawed at a temperature between 5 and 20° C., the undissolved materials associated with the fibrinogen are subsequently separated, the temperature is adjusted and the resultant solution is finally subjected to nanofiltration using filters having a pore size smaller than 35 nm.