Granted Patent
Utility
US 5,096,814 · App. 07/456,422
Macroporous and microporous inorganic carrier for immobilization of cells
Inventors:
Alexander Aivasidis, Christian Wandrey, Werner Kiefer
Patented Case
View Patent ↗
Granted: Mar 17, 1992
Filed: Dec 29, 1989
Inventors
Alexander Aivasidis
Christian Wandrey
Werner Kiefer
Assignees (at issue)
Kernforschungsanlage Juelich GmbH
Schott Glaswerke
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.