Granted Patent
Utility
US 5,100,987 · App. 07/603,092
Monoethylenically unsaturated compounds whose polymers are useful as photoinitiators
Inventors:
Kevin Hatton, Edward Irving, Josephine M. A. Walshe, Anne Mallaband
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Oct 25, 1990
Inventors
Kevin Hatton
Edward Irving
Josephine M. A. Walshe
Anne Mallaband
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.