Granted Patent
Utility
US 6,346,587 · App. 09/646,436
Method for the production of partially fluorinated fluoropolymers
Inventors:
Ralf Kruger, Gerhard Heilig, Claus-Dieter Sommerfeld
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Sep 18, 2000
Inventors
Ralf Kruger
Gerhard Heilig
Claus-Dieter Sommerfeld
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.