Granted Patent
Utility
US 4,554,368 · App. 06/445,812
Continuous process for the preparation of alkyltin thiocarboxylic acid esters
Inventors:
Rudolf Maul, Hans-Werner Stephan, Walter Wolf
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Dec 1, 1982
Inventors
Rudolf Maul
Hans-Werner Stephan
Walter Wolf
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.