Granted Patent
Utility
US 6,015,504 · App. 09/013,657
Method for increasing the SPF rating of textile fibers by treatment with triazinyldiamino stilbene compounds
Inventors:
Dieter Reinehr, Claude Eckhardt, Robert Hochberg, Werner Kaufmann, Georges Metzger
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Jan 26, 1998
Inventors
Dieter Reinehr
Claude Eckhardt
Robert Hochberg
Werner Kaufmann
Georges Metzger
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.