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. 14, 1998
Filed:
May. 30, 1995
Applicant:
Inventors:
Ervino Morandi, Milan, IT;
Angelo Gallotti, Milan, IT;
Assignee:
Dibra S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210651 ; 210641 ; 2101952 ; 2102572 ; 210650 ;
Abstract
The present invention relates to a process for the preparation of injectable solutions of pharmaceutical products and/or of diagnostic agents, characterized by an extremely high degree of purity as regards the low content of bacterial endotoxins. The process of the invention provides for the prefiltering of the solutions by means of a microfiltering unit, a subsequent ultrafiltration and the recycling of the retentate from the ultrafiltration to the solution which emerges from the prefilter.