Granted Patent
Utility
US 6,197,889 · App. 08/981,051
Thermoplastic elastomeric block copolymers
Inventors:
Konrad Knoll, Hermann Gausepohl, Norbert Niessner, Paul Naegele, Wolfgang Fischer
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Dec 11, 1997
Inventors
Konrad Knoll
Hermann Gausepohl
Norbert Niessner
Paul Naegele
Wolfgang Fischer
Assignee (at issue)
BASF SE
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.