Patents Assigned to IGB Products, Ltd.
  • Patent number: 4806484
    Abstract: A perfusion airlift bioreactor system that consists of the bioreactor, a media reservoir and a molecular weight cutoff (MWCO) filter positioned between the media reservoir and the airlift bioreactor.
    Type: Grant
    Filed: August 7, 1987
    Date of Patent: February 21, 1989
    Assignee: IGB Products, Ltd.
    Inventors: Ashot Petrossian, Andy DeGiovanni