Granted Patent
Utility
US 5,350,792 · App. 07/906,266
Pigment-containing plastic molding composition
Inventors:
Gerhard Hess, Ulrich Haack, Klaus Kurz
Patented Case
View Patent ↗
Granted: Sep 27, 1994
Filed: Jun 26, 1992
Inventors
Gerhard Hess
Ulrich Haack
Klaus Kurz
Assignee (at issue)
Hoechst GmbH
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.