Granted Patent
Utility
US 5,969,064 · App. 09/153,132
Process for the preparation of low-viscosity fluorinated rubbers
Inventors:
Ralf Kruger, Wilhelm-Franz Biener
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Sep 15, 1998
Inventors
Ralf Kruger
Wilhelm-Franz Biener
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.