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:
Dec. 24, 1991
Filed:
Aug. 01, 1990
Applicant:
Inventors:
Ronald Kotitschke, Dreieich, DE;
Wolfgang Stephan, Dreieich, DE;
Wolfgang Moller, Oberursel, DE;
Detlef Piechaczek, Munster, DE;
Dieter Rudnick, Dreieich, DE;
Assignee:
Biotest Pharma GmbH, Dreieich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K / ; C07K / ; A61K / ;
U.S. Cl.
CPC ...
530387 ; 424 858 ;
Abstract
Process for the preparation of an immunoglobulin solution suitable for intravenous administration from a human blood protein fraction containing immunoglobulins IgG, IgA and IgM in partially concentrated from, with the process steps: addition of acetate buffer to the protein fraction, where appropriate removal of insoluble constituents by filtration, treatment with calcium phosphate and octanoic acid, centrifugation, removal of the supernatant and treatment thereof with an adsorbent, removal of the adsorbent and sterilization by filtration.