Granted Patent
Utility
US 5,034,307 · App. 07/570,497
Process for the photographic production of relief images using selected titanocenes
Inventors:
Martin Riediker, Eginhard Steiner, Harry Beyeler, Manfred Rembold, Francissek Sitek
Patented Case
View Patent ↗
Granted: Jul 23, 1991
Filed: Aug 21, 1990
Inventors
Martin Riediker
Eginhard Steiner
Harry Beyeler
Manfred Rembold
Francissek Sitek
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.