Granted Patent
Utility
US 6,316,448 · App. 09/575,479
Pyrazolo[3,4-d][1,2,3] troazines having anticonvulsant activity and process for their preparation
Inventors:
Thomas Arnold, Klaus Unverferth, Hans-Joachim Lankau, Angelika Rostock, Reni Bartsch, Thomas Kronbach
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Apr 19, 2000
Inventors
Thomas Arnold
Klaus Unverferth
Hans-Joachim Lankau
Angelika Rostock
Reni Bartsch
Thomas Kronbach
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.