Granted Patent
Utility
US 5,684,070 · App. 08/680,730
Compositions stabilized with red-shifted tris-aryl-s-triazines
Inventor:
Tyler A. Stevenson
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Jul 15, 1996
Inventor
Tyler A. Stevenson
Assignee (at issue)
Ciba Specialty Chemicals Corporation
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.