Granted Patent
Utility
US 6,656,876 · App. 09/807,463
Squaric acid activated carrier usable for immobilization of compounds containing amine groups
Inventor:
Per-Mikael Aberg
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: May 22, 2001
Inventor
Per-Mikael Aberg
Assignee (at issue)
Amersham Biosciences AB
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.