Granted Patent
Utility
US 5,750,711 · App. 08/704,213
Dicarboxylic acid derivatives
Inventors:
Racai Sezi, Hellmut Ahne, Eberhard Kuehn
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Aug 28, 1996
Inventors
Racai Sezi
Hellmut Ahne
Eberhard Kuehn
Assignee (at issue)
Siemens Aktiengesellschaft
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.