Granted Patent
Utility
US 4,481,295 · App. 06/163,691
Substituted or condensed pyridines in a process for the detection of substances having a peroxidatic effect and a diagnostic agent containing such pyridines
Inventor:
Klaus Habenstein
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Jun 27, 1980
Inventor
Klaus Habenstein
Assignee (at issue)
Behringwerke 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.