Granted Patent
Utility
US 5,185,445 · App. 07/843,118
Silylated 2-(2-hydroxyphenyl)-4,6-diaryl-1,3,5-triazines
Inventors:
Roger Meuwly, Mario Slongo, Andreas Valet
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Feb 27, 1992
Inventors
Roger Meuwly
Mario Slongo
Andreas Valet
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.