Granted Patent
Utility
US 4,413,124 · App. 06/418,936
2-Alkyl-5-alkylsulfonyl-4,6-dihalopyrimidines and the production thereof
Inventors:
Karl Hoegerle, Kurt Ohnemus
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Sep 16, 1982
Inventors
Karl Hoegerle
Kurt Ohnemus
Assignee (at issue)
Ciba-Geigy
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.