Granted Patent
Utility
US 6,369,242 · App. 09/802,272
Tocopherol manufacture by tris(perfluorohydrocarbylsulphonyl) methane or metal methides thereof
Inventors:
Werner Bonrath, Alois Haas, Eike Hoppmann, Thomas Netscher, Horst Pauling
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Mar 8, 2001
Inventors
Werner Bonrath
Alois Haas
Eike Hoppmann
Thomas Netscher
Horst Pauling
Assignee (at issue)
Roche Vitamins 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.