Granted Patent
Utility
US 6,602,939 · App. 09/957,175
Additive mixtures containing thermoplastic moulding compositions
Inventor:
Herbert Eichenauer
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Sep 19, 2001
Inventor
Herbert Eichenauer
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.