Granted Patent
Utility
US 5,652,364 · App. 08/514,341
Process for the preparation of 2,2,6,6-tetramethyl-4-piperidyloxy-1,3,5-triazines with two or more triazine rings
Inventors:
Graziano Vignali, Fabrizio Guizzardi, Graziano Zagnoni, Roberto Scrima
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Aug 10, 1995
Inventors
Graziano Vignali
Fabrizio Guizzardi
Graziano Zagnoni
Roberto Scrima
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.