Granted Patent
Utility
US 6,797,837 · App. 10/407,595
Process for the preparation of stabilized polycarbonate
Inventors:
Christian Kords, Jürgen Heuser, Antonio Ortiz
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Apr 4, 2003
Inventors
Christian Kords
Jürgen Heuser
Antonio Ortiz
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.