Granted Patent
Utility
US 5,811,279 · App. 08/905,041
Method for activating prothrombin with polyethylene glycol
Inventors:
Hiroshi Kaetsu, Jun Mizuguchi, Takayoshi Hamamoto
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Aug 1, 1997
Inventors
Hiroshi Kaetsu
Jun Mizuguchi
Takayoshi Hamamoto
Assignee (at issue)
Juridical Foundation the Chemo-Sero-Therapeutic Research Institute
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.