Granted Patent
Utility
US 5,621,018 · App. 08/469,410
Functionalized photoinitiators, macromers thereof, and the use thereof
Inventors:
Peter Chabrecek, Dieter Lohmann
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jun 6, 1995
Inventors
Peter Chabrecek
Dieter Lohmann
Assignee (at issue)
Ciba-Geigy
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.