Granted Patent
Utility
US 5,658,985 · App. 08/603,016
ABS moulding compounds with improved yield stress
Inventors:
Herbert Eichenauer, Alfred Pischtschan, Karl-Heinz Ott
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Feb 16, 1996
Inventors
Herbert Eichenauer
Alfred Pischtschan
Karl-Heinz Ott
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.