Granted Patent
Utility
US 5,118,842 · App. 07/615,829
Method to prepare trimethylsulfonium halides
Inventors:
Peter E. Newallis, Jeffrey D. Macke, Karl Steinbeck, Daniel M. Wasleski
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Nov 16, 1990
Inventors
Peter E. Newallis
Jeffrey D. Macke
Karl Steinbeck
Daniel M. Wasleski
Assignee (at issue)
Miles Inc.
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.