Granted Patent
Utility
US 5,554,733 · App. 08/411,258
Reactive azo dyes containing phenylamino-chlorotriazinylamino and .alpha.,.beta.-dibromoproproylamino or .alpha.-bromoacryloylamino fiber reactive groups
Inventors:
Athanassios Tzikas, Rolf Deitz
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Mar 27, 1995
Inventors
Athanassios Tzikas
Rolf Deitz
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.