Granted Patent
Utility
US 5,827,643 · App. 08/554,421
Method of increasing viability of stored erythrocytes by addition of lipoic, dihydrolipoic, 6,8-bisnortetralipoic, or tetranorlipoic acid
Inventors:
Frank Conrad, Hermann-August Henrich, Wolfgang Geise, Heinz Ulrich
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Nov 8, 1995
Inventors
Frank Conrad
Hermann-August Henrich
Wolfgang Geise
Heinz Ulrich
Assignee (at issue)
Asta Medica Aktiengesellschaft
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.