Granted Patent
Utility
US 6,420,489 · App. 09/796,182
Polymer bromination process in solution
Inventors:
Gabor Kaszas, Wolfgang Baade, Heinrich Konigshofen
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Feb 28, 2001
Inventors
Gabor Kaszas
Wolfgang Baade
Heinrich Konigshofen
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.