Granted Patent
Utility
US 4,737,445 · App. 06/921,119
Photopolymerizable composition and photopolymerizable recording material containing said composition
Inventors:
Hans-Dieter Frommeld, Heike Ziemke
Patented Case
View Patent ↗
Granted: Apr 12, 1988
Filed: Oct 21, 1986
Inventors
Hans-Dieter Frommeld
Heike Ziemke
Assignee (at issue)
Hoechst 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.