Granted Patent
Utility
US 5,843,319 · App. 08/902,072
Positive-working radiation-sensitive mixture
Inventors:
Klaus-Juergen Przybilla, Takanori Kudo, Seiya Masuda, Yoshiaki Kinoshita, Natsumi Suehiro, Munirathna Padmanaban, Hiroshi Okazaki, Hajime Endo, Ralph R. Dammel, Georg Pawlowski
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Jul 29, 1997
Inventors
Klaus-Juergen Przybilla
Takanori Kudo
Seiya Masuda
Yoshiaki Kinoshita
Natsumi Suehiro
Munirathna Padmanaban
Hiroshi Okazaki
Hajime Endo
Ralph R. Dammel
Georg Pawlowski
Assignee (at issue)
Hoechst Japan Limited
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.