Granted Patent
Utility
US 6,255,451 · App. 09/403,676
Degradation of biologically degradable polymers using enzymes
Inventors:
Rainhard Koch, Henrik Lund
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Aug 10, 1999
Inventors
Rainhard Koch
Henrik Lund
Assignee (at issue)
Bayer 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.