Granted Patent
Utility
US 4,547,394 · App. 06/461,906
Use of hydroxyalkylphenones as initiators for radiation curing of aqueous prepolymer dispersions
Inventors:
Claus P. Herz, Jorg Ohngemach, Otto Stahlecker
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Jan 28, 1983
Inventors
Claus P. Herz
Jorg Ohngemach
Otto Stahlecker
Assignee (at issue)
Merck Patent GmbH
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.