Granted Patent
Utility
US 4,539,288 · App. 06/561,505
Process for the development of relief structures based on radiation-crosslinked polymeric precursors of polymers which are resistant to high temperature
Inventors:
Hans-Joachim Merrem, Karlheinz Neisius, Rudolf Klug, Hartmut Hartner
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Dec 15, 1983
Inventors
Hans-Joachim Merrem
Karlheinz Neisius
Rudolf Klug
Hartmut Hartner
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.