Granted Patent
Utility
US 5,405,947 · App. 08/054,115
Triazine ring-containing reactive dyestuffs, their preparation and use
Inventors:
Manfred Hoppe, Eckhard Bock, Wolfram Reddig, Thomas Eizenhofer, Wolfgang Harms, Karl-Josef Herd
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Apr 27, 1993
Inventors
Manfred Hoppe
Eckhard Bock
Wolfram Reddig
Thomas Eizenhofer
Wolfgang Harms
Karl-Josef Herd
Assignee (at issue)
Bayer Aktiengesellschaft
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.