Granted Patent
Utility
US 5,658,967 · App. 08/443,846
Providing a surface with carboxyl groups and surface and product thus provided
Inventors:
Jan Feijen, Johannes Gijsbertus Antonius Terlingen, Jan-Pleun Lens
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: May 18, 1995
Inventors
Jan Feijen
Johannes Gijsbertus Antonius Terlingen
Jan-Pleun Lens
Assignee (at issue)
CORDIS CORPORATION
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.