Granted Patent
Utility
US 4,935,423 · App. 07/310,809
Substituted 1,2,4-triazinediones, processes for their preparation and their use
Inventors:
Werner Lindner, Axel Haberkorn
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Feb 14, 1989
Inventors
Werner Lindner
Axel Haberkorn
Assignee (at issue)
Bayer 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.