Granted Patent
Utility
US 6,210,441 · App. 09/091,073
Linear block polymer comprising urea and urethane groups, method for the production of linear block polymers and use of the block polymers as implants
Inventor:
Per Flodin
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Oct 5, 1998
Inventor
Per Flodin
Assignee (at issue)
Artimplant Development Artdev 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.