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:
Jul. 23, 2019
Filed:
Sep. 26, 2016
Instituto Grifols, S.a., Parets del Vallès, ES;
Pere Ristol Debart, Parets del Vallès, ES;
Salvador Grancha Gamon, Parets del Vallès, ES;
Juan Ignacio Jorquera Nieto, Parets del Vallès, ES;
Maria Mercedes Faro Tomas, Parets del Vallès, ES;
Nuria Jorba Grifols, Parets del Vallès, ES;
INSTITUTO GRIFOLS, S.A., Parets del Vallès (Barcelona), ES;
Abstract
The present invention relates to a method for the preparation of a solution of immunoglobulins based on an initial solution of immunoglobulins with a purity greater than or equal to 96% in the presence of a polyether or polymer of glycol, characterized in that it comprises the steps of: a) adding caprylic acid or salts of the same to the initial solution; b) adjusting the pH of the solution obtained in step a); c) incubating the solution obtained in step b) for the time and at a temperature necessary for the inactivation of enveloped viruses; d) performing a step of ultrafiltration/diafiltration on the solution obtained in step c).