Paul Leibowitz - Hackensack NJ Marvin J. Weinstein - East Brunswick NJ
Assignee:
Schering Corporation - Kenilworth NJ
International Classification:
A61K 4502
US Classification:
260112R
Abstract:
A method of extracting leucocyte interferon from interferon-expressing bacterial cells comprising acidifying a suspension of interferon-containing bacterial cells, removing substantially all of the suspension liquid from the cells, preparing a second suspension of the acidified cells, neutralizing said second suspension, separating the interferon containing liquid from the suspended cells, and extracting the interferon from said liquid.
Paul Leibowitz - Hackensack NJ Marvin J. Weinstein - East Brunswick NJ
Assignee:
Schering Corporation - Kenilworth NJ
International Classification:
A61K 4502
US Classification:
260112R
Abstract:
A method of extracting leucocyte interferon from interferon-expressing bacterial cells comprising acidifying a suspension of interferon-containing bacterial cells, removing substantially all of the suspension liquid from the cells, preparing a second suspension of the acidified cells, neutralizing said second suspension, separating the interferon containing liquid from the suspended cells, and extracting the interferon from said liquid.