Granted Patent
Utility
US 6,114,511 · App. 09/317,566
Water-soluble monoazo compounds, preparation thereof and use thereof as dyes
Inventor:
Jorg Dannheim
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: May 24, 1999
Inventor
Jorg Dannheim
Assignee (at issue)
Dy Star Textilfarben GmbH & Co.
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.